Coaching

What primary items determine the class of operation in an amplifier? The amount of bias and the amplitude of the input signal Which is not an important relation between electricity and heat? Hall Effect

When is the potential will in a transistor increased in height? When the emitter is reverse-biased

What is the plot of the frequency versus amplitude shown on the spectrum analyzer display? Frequency Domain

What is the purpose of the screen grid? To reduce interelectrode capacitances

What amplifier is the two-transistor Class B amplifier? Push-Pull

What is the turn’s ratio of a step-down transformer? Greater than unity

Why are DC motor and relay mainly used in robots than in AC motors? Because they can withstand large overloads

What is indicated on the scale of the AC meter? Effective Value (RMS) Why are N-types FET’s superior over P-type FET’s? Because mobility is greater in electrons than in holes When DC motor is running at its rated speed, increasing the field current Increases the speed of the motor

When starting a differential compound motor, it is best to short the series field in order to avoid The starting motor in the wrong direction What fuses are commonly used for automobiles, lightning circuits and electrical power circuits? Standard Fuses What is the rotating part of a motor? Rotor

The problem caused by RF amplifiers by loosely coupled transformer and too narrow Bandpass can be reduced by using Optimumly Coupled Transformer

What fuses are used to protect delicate instruments and semiconductor device? Fast Fuses The _______ of an amplifier is determined by the inductance and capacitance of the circuit. Upper Frequency Response What happens to the data stored in RAM when power is interrupted? It is lost

What capacitor is used to transfer unwanted signals out of the circuit? Bypass Capacitor What refers to the time for the voltage to increase from 10 % to 90 % at the maximum amplitude point? Rise Time How much in terms of the working voltage should the replacement be in replacing a capacitor? At least 10% to 20 % higher What is the product of the pulse width and the pulse repetition frequency? Duty Cycle

What electrolyte has more active ingredients? The on that has the bigger value of specific gravity or one that is heavier per unit volume

What meter movement is used when current is induced in a thermocouple by heating the resistive element and current is measured in the circuit, AC or DC? Thermocouple Meter Movement

What IC is formed by sputtering material on a ceramic substrate? Thin Film IC

You are asked to check up p.f. of an electrical load. There I no p.f. meter available, what should you used? Ammeter, voltmeter and wattmeter

The turn’s ration of the step-up transformer is Less than unity

In the usual test oscilloscope, the vertical sweep is produced by virtue of the _________. Input signal being measured

What is the degree of the measured value to represent the true or accepted value of a quantity? Accuracy In navigation, the smallest signal capable of producing a recognizable change in positional information. Threshold Signal

Wein Bridge measures ____________. High Frequencies Bucholz relay is used as _______ protection. Transformer 2 kinds of check in troubleshooting power supplies. Signal and Visual Trace Structure or part of the magnetic relay structure at the end of the coil, opposite the armature. Heelpiece Supports the armature and completes the magnetic path between it and the core of the coil. Heelpiece What is one characteristic of a single phase motor? It is not a self starting

What are the primary parts of a 3-phase induction motor? Rotor and Stator What is usually used to measure high AC voltages? Potential transformer and voltmeter Many of the new type of table top educational robot use what robots (motors)? Stepper

What determines the resonant frequency of a crystal? The size and thickness of the crystal

material

What is an indication of the resistance of a meter express on ohms per volt? Voltmeter Sensitivity

What is the power dissipation of a class C amplifier? Very low

What circuit varies its inductance and capacitance to produce FM signal? Reactance Modulator

What amplifier in which the response is linear for weak signals and logarithmic for large signals? Lin-log Amplifier

What is automatically compensated in a wattmeter? Power Factor

What moving force in analog instrument causes the moving system to deflect from its zero position? Deflecting Force

The ratio of the utilized flux to the luminous flux leaving the lightning fitting. Utilance Maximum motor end play. 0.4 mm Schering Bridge measures ___________. Capacitance

An SCR has ho many junctions? 3 What are the primary disadvantages of electrolytic capacitor than paper capacitor? It has polarity It has a low leakage resistance A technique for the coordination of different asynchronous devices in computers. Handshake

Hay Bridge measures ___________. Inductance What percent of current in an NPN transistor reaches the collector?

98% What is the most commonly used device for detection in radio receivers? Diode Which of the following is not a characteristic of ideal transformer? It has leakage flux What is the dissipation factor of circuits? It is the reciprocal of quality factor What happens to the true power if the inductance of a series LR circuits is increased? It decreases

12 % What type of power should be used on a touch switch circuit? Lower-power DC When should we use a (crystal) oven? When very high accuracy is required The smallest increment of a quality of a meter can measure. Resolution of the meter Speed of sound in wood. 3,300 m/s A BMV is a _________ oscillator. Triggered

What are the disadvantages of Nickel Cadmium over Lead Acid battery? Can be charge in shorter time, can deliver larger amount of power, and stays idle longer What determines filter response characteristics? Damping Factor Picking up of the same station, short-waves at two nearby points on the received dial. Double Spotting

What will happen to the motor if there is an open circuit in the rotor of a …? Motor will not start What will a change of current in one coil cause a change in another coil if they are coupled in a single coil? A change in inductance Where does the word “transistor” came from? Current transferring resistor

Any small elements of space in the path of the wave maybe considered as a source o secondary wavelet. Huygen’s Principle

What type if circuit is the semiconductor ROM? Combinational Logic Circuit

What is added to the sawtooth generator to produce trapezoidal wave? Resistor

What particle radiation consists of single changed particles which can penetrate intermediate distances? Beta particle Radiation

What is the typical value of tantalum electrolyte capacitor? 1 µ F to 1000 µ F Handshake means No message is sent A basic voice band has how many channels? 8 Uses bimetallic element that is heated by load current and bends due to this heating. Thermal Trip Element

The resistance ratio is the ratio of the hot resistance to the cold resistance. What is the resistance ratio of a thoriated tungsten which his used as a cathode material in tubes? 10 : 1 In a 1/8 – watt resistor, what is the maximum change in resistance of the resistor during the 1000-hour rate load test?

desired frequency

In a closed servo loop system, it is BIBO if __________. Output is bounded for any bounded input

The armature torque in a DC motor is a function of its ____________. Both field flux and armature ….

Who invented the first electrical instrument that helps the agility of an object to attract called verserium? William Gilbert

What is the number of free electrons in a cubic inch of copper? 1.64 x 1024

Which of the following technique is used to developed thick IC film and manufacturing? a. Thermal Growth b. Chemical Vapor Deposition c. Evaporation d. All of the above What materials is the most commonly used and developed laser? GaAs and AlGaAs What are the factors that determine the amplitude of he voltage induced in a stator winding? The amplitude of primary voltage, turns ratio, the angular displacement between rotor and stator windings

Why does high impedance have lower copper losses than low impedance? Because high impedance have lower contents for a given power level The resistance between the primary and secondary windings in a transformer should be __________. Infinity What happens to the reactive capacitance if frequency is decreased? It increases What is a repulsion motor which has 2 sets of brushes, one fixed and the other movable? Deri Motor An open circuit CD motor armature will draw _______ current. High

What are the two types of checks used for troubleshooting power supplies? Visual and signal tracing What part of switch is acted upon which cause the switch to change contact connection? Actuator

What happens if a D-flip flop is triggered? Output state reverses What is the measure of the portion of the radiation or sound wave absorbed by the material? Absorptivity

The Wein Bridge is used to measure __________. High frequency What do you call a 4 bit data word? Nibble What equation signifies the equivalence of matter and energy? Einstein’s Equation

What is the best indication of an open circuit or infinite resistance? Heating at the end poles

To provide maximum impedance of the

When will you observe safety procedures/measures in as far as batteries are concerned? All the time

How many subshells are there in n=4 shell? 4 What is the function of the pilot cell in storage battery? To indicate the condition of the entire battery What is the purpose of frequency determining networks in an RF amplifier?

A software tool that interprets high-level language program one statement at a time. Interpreter An instrument that can measure the concentration of substance by absorption of nearly monochromatic radiation of wavelengths selected by the filter of by simple radiation-dispersion. Absorptiometer

What is a 3-phase full wave rectifier circuit that uses six rectifying elements? Gratz rectifier “Flat Amplifier” is meant one that ___________. Responds equally over a wide range of frequency

Identifying feature in Colpitts Oscillator? Split Capacitor Range of frequency where wideband amplifier can amplify? 10 Hz – 6 MHz Amount of energy required per charge…… Electric Potential

Shunt generators is most suited for stable parallel operation because of their _________ voltage characteristics. Drooping What is the input impedance of an ideal OP AMP? 50 Ω What should be fitted at the point where cables enter or leave conduits? Smooth Brushes What is a precision component which resembles a small motor and has an output voltage proportional to its shaft rotational speed? Rate Generator

Typical dielectric suitable for capacitor applied in RF? Air, Mica, Ceramic In industry heating, hyperfrequency is taken as that frequency to be _______. Excess of 300 kHz When an average 1 V is produced in turn of wire if the flux passing through that turn changes at the rate of 108 Maxwell’s per second. Fundamental Law of Generator Action

To reduce patters on the substrates of the material How are magnets normally stored? Two opposite poles in parallel together What type of devices that are susceptible to static charges and therefore requires special handling? FET & CMOS devices What amplifier when the output signal is too large over the input signal? Power Amplifier What is the ratio of the volume of the cell to the volume of an atom? Packing Factor What is the term in which the computer is also to perform a lot of calculations for a very short time? Number Cruncher What shortage cell in which the electrodes is a grid lead containing lead peroxides during charging and discharging and the electrolyte is sulfuric acid? Lead-Acid battery

What is a position in the switch in which the actuator stays as long as the force is applied to the actuator? Momentary Position

Why is it that non-magnetized piece of iron has high permeability? Because the …..of magnets (Weber’s theory) or the direction of e- spin (Domain theory) are able to be aligned by the magnetic field.

What is a FET having higher input impedance because it’s gate is insulated from the rest of the device? MOSFET

How are bar magnet aligned? In the pair, with opposite sides together to provide completer path of magnetic field.

What is the purpose of the buffer battery? It decreases the variation in current and power in a DC generator.

What is another term for tooth belt? Timing belt

The term for illicit copy and used for computer programs used by people over billion of years programmed by most of the computer developers? Software Piracy

What is a modem having its run package and its own cable to plug to comports/serial ports on a computer or data device? Stand-alone Modem

When pair of electrons both functioning together or functioning in concert, in which the electrons of 2 atoms are joined by covalent bonding? Electron-pair

A torque parameter of a motor used in effectively starting a load from rest? Starting torque

How are most batteries determined? By there nameplates

What is the deadlock that occurs when the program references different page for almost every instruction with bases memory for virtual memory? Trashing What is the disturbance similar to over voltage but shorter time duration where line voltage exceeds to 110% of the bbbllllaaahhhhh…is Surge What bonding occurs in which attraction of forces results from external interaction of electron gas with ionic lattice? Metallic Bonding

What does it mean when we say that reading from a bubble memory is non-destructive? The data is still present after reading What is the purpose of masks?

What is produce when mechanical stress is placed on the x-axis of the crystal? An electric voltage will appear across the Y-axis

The universe is composed of what part most? Matter and energy What are the requirements of a circuit to oscillate? Gain is high Feedback is positive Coupling between input and output is good What is the purpose of an IC package? To protect an IC from damage for easier handling How is static charges created? By friction What is the purpose of a no-load test on a transformer? To determine magnetizing current and loss What is the atomic weight of an element? Equal to the sum of the # of protons and the neutrons in the nucleus

# of

What is the ration of an iron current in a vacuum tube to the electron current that produces it? Gas ratio

Where is ampere-hour related to? Storage cell/secondary cell

What is the purpose of equalizer? To make the over compounded parallel DC generators stable How many degrees of freedom for a solid object? 6

What happens to the resonant frequency when the inductor and capacitor values are increased? Decreases What is the process by which chemical energy is formed into electrical energy? Electrochemical action What is the simplest type of tube capable of amplification? Triode What is the input resistance of a common base amplifier? Very low What is the deadlock situation that occurs when the program references to a different page for almost every instruction and there is not even enough real memory to hold most of the virtual memory? Trashing The cross connection of two conductors in a multi-contact cable may be located by using what device? Varley Loop

What method of current limiting is used in a voltage regulator? Foldback Current Limiting

A sealed tube, either highly evacuated of containing a controlled quantity of gas, that makes electron sufficiently mobile and act as a principal carrier of at least one pair of electrodes, controlled by one or more additional electrodes? Electron Tube What will happen if the source bypass capacitor is removed from a common-source amplifier? Voltage gain decreases

Because the total energy and momentum are conserved in the collision, the wavelength of the scattered radiation undergoes a change that is depending on the scattering angle. In line with this, what do you call the elastic scattering of photons with electrons? Compton Effect

Accumulation of dirt in generators will cause Overheating, flashover and poor voltage regulation

A cross-connection between conductors in a multiconductor cable maybe located by the use of what? Varley Loop

An emission that occurs when electrons are liberated from the surface of metals and compounds as a result of absorption of electromagnetic radiation. Photoelectric emission

What device is used to input information to the computer by holding it towards the screen? Lightpen

What do FET and vacuum tubes have in common? Voltage Controls Conduction What is the required interval following the active edge of the clock signal in which the control inputs must be held stable? Set up time What theory explains the interaction phenomenon between matter and wave? Quantum Theory In an N-type semiconductor, the Fermi level is Above the center of the energy gap What is isolation? The electrical separation of elements What beam in missile guidance radar is very wide? Capture Beam What is the rapid stopping of electric motor caused by the momentary reversal of its connection to the supply? Plugging It is a standard message used in testing teletypewriter circuits and message, since it includes all alphanumerics? Fax Message A technology of bring fiber optic all the way to your home? Fiber to the Home (FTTH) A technology of bringing fiber optic a few hundred feet to your home? Fiber to the Curb (FTTC) A machine with a single field structure and an armature with two armature windings and two commutators? Dynamotor In motors, what is a no-load loss, but not an electrical-core loss? Windage

What is the purpose of shielding the motor with the soft iron? To protect the meter movement from stray magnetic fields

What logic family is the fastest? Emitter-coupled logic ECL What is an electronic oscillator? An amplifier with feedback What is the advantage of transformer coupling? Fewer components than capacitive coupling and provides increase in gain A characteristic of atom in ionic compound is the number of closest (touching) atoms. Coordination Number A group of flip-flops has the capability of storing true or false logic levels, in which all are enabled by a single control line. Quad Latch A data transmission that operates on a direct current? Step-transmission System The most economical method of measuring no-load loss of a large DC shunt motor is Swisburne’s test The method used to eliminate the used of inductive elements in an IC? RC synthesis

The frequency of oscillation of an AMV is determined by what value? RC values in the circuit What amplifier is an OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA)? Voltage-to-current converter If the fifth color of a carbon composition resistor coding is red, what is the failure rate? 0.1% / 100 hours What is the purpose of a buffer amplifier? To reduce the interaction between oscillator and load What is the purpose of electrolyte in cells? It is the solution that acts on the electrodes What is the most important advantage of temporary magnet? Magnetic flux is changeable

The motion of charge particles, especially colloidal, through a relativity stationary liquid under the influence of applied electric field by the immersed electrode. Electrophoresis Essentially a tuned-circuit which uses a quartz crystal as a resonant tank circuit. Crystal oscillator An oscillator that has a sine wave output of constant amplitude and fairly constant frequency within the RF range. Colpitts oscillator When primary electrons impinge on a surface with velocities greater than the critical value for each material? Secondary emission Part of circuit breaker that confines and divides the arch that occurs when the contacts of the circuit breaker opens? Arch Extinguisher The current that is produced when the valence electron transfer from one hole to hole, causing the holes to be displaced to the other side? Hole Current The average time the head moves from one location to the next location? Average Seek Time The advantage of the bridge rectifier over the conventional full-wave rectifier? Twice the voltage with the same transformer side The small fuse with a spring at the leads, in which when the fusing wire is applied on the actuator. Momentary Position What is the main purpose of using interface transformer with multi-anode rectifier? To cause anode to overlap when firing In what year the World Wide Web has conceived? 1991 What determines the magnetic flux density of a long straight wire? The current flowing and the perpendicular distance

The percentage of the given output voltage with the change in load current. Load regulation A wave composed of two alternations equal in time and square in appearance. Square wave

A class B push pull amplifier has the main advantage of being free from _______. Even order harmonic distortion What type of radar transmitter power is measure over a period of time? Average Power

What is one alternation of a square wave called? Pulse What is the combination of two point charges having the same magnitude but opposite in polarity separated by a distance small compared…….. Doublet What type of load that causes voltage regulation of a transformer to negative? Capacitive What class is employed in the driver of the amplifier? Class A In a 3-phase induction motor, the relative speed of stator flux with respect to the _________ is zero. Rotor Flux What term is used to describe a technique for depositing passive circuit elements on an insulating substrate with a coating to a thickness of 0.0001 cm? Thin Film What electronic device uses one or more saturable reactors to obtain a large power gain? Magnetic Amplifier

What is the approximate thickness of the wafer obtained in splicing process? 1/1000 inch What is the combination of two point charges of equal; magnitude and opposite polarity separated by a distance small compared with that of which the field of the dipole is to be determined? Doublet What is the “roll – off “in op-amp? Gain Reduction What is an inductively coupled device used for following current paths to determine the cause of low-impedance faults on the PBC? Current Tracer What is the charge-to-mass ratio of an electron? 1.7588 x 10 11 C/kg

What is the production method to prevent unwanted interaction between elements within the chip? Isolation

Since frequency affects capacitive reactance and inductive reactance in opposite ways, and since capacitive reactance causes problems with high frequency response, inductors are added to an amplifier circuit to improve the high frequency response. This is called _________. High Frequency Compensation

What IC advantage translates into less downtime? Reliability What is an entity that offers, for a free, a server computer and the software needed to access the computer? Internet Service Provider ISP What particle consists of two and one up quarks? Neutron How many RS flop-flop are required to store the number 1001012? 6 What is produced by exchanges forces between atomic moments? Ferromagnetism What is the function of differential relays? To protect the equipment against internal faults What is the circuit or portion of a circuit package to a removable unit? Module The average time to move a head from one location to a new location? Average Seek Time In switch, what refers to the number of different circuits each pole can control? Throw Used in measuring or detecting potential differences, electric charge and indirectly, electric current by means of mechanical forces exerted to two electrically charged bodies? Electrometer A sensing element made up of thin-walled tube formed of deep convolutions at one end, whose displacement can be then made to act on a transduction element? Bellow

A method of determining resistance through measuring the current flowing through a resistor with an ammeter and measuring the voltage drop across the resistor and computing the resistance through ohm’s law? Voltage Drop Method How many input combination exist in a 4-input AND gate? 16 Why is error-rate damping effective? Because the circuitry can anticipate the amount of overshoot before it takes place

Vacuum tube in which an electron produces large amount of secondary electrons through the collision to anode, generally the process is repeated in a number of stages to attain greater amplification? Electron Multiplier The difference between the transmitted frequency and the received frequency in an FM transmitter. Travel Time Where is the starting winding of a single phase motor? In the stator Act of persuading people to tell their password? Social Engineering Software using hierarchical structured menu to organized and search the internet? Gopher Harmonic drives in robot transmission have ________. High reliability

What is a critically damped meter? A meter that corrects reading and has no overshoots What is the advantage of CMOS over other devices? Lower Current Consumption What is the required power supply voltage of a TTL series IC? 5 Volts Refers to some special material whereby when an electric current is impressed on them, their resistance changes with light? Actinoelectric Effect What is the difference between the monolithic IC and a thin film IC? Monolithic IC has active and passive elements while thin film IC has passive elements only One or more computers on an installation that is online and processing data? Active Computers

Robots or machines that resembles human? Android Classification of IC: Monolithic Film Hybrid Maximum number of inputs of a summing amplifier? As many as possible An amplifier used for application where small signals are embedded in large common mode noise? Instrumentation Amplifier What elements are produced by evaporation or cathode sputtering techniques? Thin-film Elements Foucault current is commonly known as _____. Eddy Current As compared with straight spur gears, helical gears have Less backlash

Maximum distance between features on a chip in an IC fabrication? Geometry

SCARRA robots are specially design for what type of operation? Assembly

An act of balancing the arc bridges by making successive adjustments of two parameters until a null is obtained at the detector? Balance Converging An instrument used to measure the degree of oxygenation of the blood? Oximeter Displacement of a moving joint about an axis perpendicular to the line of motion and to the top of the body? Yaw Where was the silicon accelerometer developed? Stanford University

A common computer command that moves a piece of paper in a printer all way throughout so that the paper can be removed? Form Feed A limiter circuit in which the diode is in series with the output and it can limit the positive or negative alteration of the input signal? Series Limiter Programming a continuous-path robot? Walk-through The number of spontaneous disintegrations of a radioactive isotope? Activity

Another term for thermal neutrons. Slow Neutrons Several disks comprising a hard disk or hard drives? Platter Maximum frequency response of magnetic amplifier? 100 Hz What lead is often omitted in a phototransistor? Base Time for electromagnetic energy to travel one nautical mile and return to source? 12.36 µ sec Who theorized that light is a universal probe? Michael Hart A type of memory that stores data on array? RAM Generally refers to IC containing 1000 to 2000 logic gates or 1000 to 64000 bits of memory? Large Scale Integration LSI Device used to detect the presence, polarity and in some configurations, the magnitude of electric charge by mutual attraction or repulsion of metal foils or pith balls? Electroscope Instrument used to record the activity of the brain? Electroencephalograph EEG A device that provides 2 output signals which differ with a single input signal? Phase Splitter

What determines the magnetization force required in an air gap? The gap length and flux density What is the characteristic sign of magnetic susceptibility of ferromagnetic materials? Positive A transistor that most closely resembles a vacuum tube in its operating characteristics? FET A moving system force in analog instruments that insures a deflection of a pointer in a given value of the measured quantity which always has the same value? Controlling Force

The third best conductor of electricity? Gold

What is the most important thing to remember in troubleshooting? Safety precautions

The energy density of a Leclanche Cell? 30 watt hour per pound

What are the two stability requirements of an oscillator? Amplitude stability and frequency stability

What are magnetic core storage made of? Tiny doughnut-shaped rigs made of iron ferrite

In a class A amplifier, conduction extends over 360º because the Q-point is _______. Centered on the load line

What system refers to generating, sending, retrieving, storing, or otherwise processing of electronic data messages or electronic documents, which includes computer systems and other similar devices, by or which data is recorded, or stored, or electronic data message or electronic documents? Information and Communications Systems

What type of coupling is usually used to couple the output from a power amplifier? Transformer Coupling

The primary disadvantages of gallium arsenide compounds? Expensive to produce

What material is used by temporary magnets as a magnetic material? Soft Iron

What is the reason why general purpose diode is more likely to suffer avalanche breakdown rather than zener breakdown? It is likely doped

The maximum efficiency of a class A amplifier, with a transformer-coupled load? 50 %

What is the proper biasing of a transistor to be used as an amplifier? The emitter-base junction should be forward-biased and the base-collector junction should be reverse-biased

In RF oscillation, the shock excitation in the resonant circuit (cavity)? Ringing What input combination produces a logic one output using a three-input combination NOR gate? 000

What spectrum that is composed of cosmic ray photons, gamma rays, x-rays, ultraviolet radiation, visible light, infrared radiation, microwaves, radio waves, heat and electronic current? Electromagnetic Spectrum

A type of MOSFET that can be independently controlled by two separated signals? Dual-gate MOSFET

Why is class B transmitter biased? So that it is at cut-off half of each cycle In class C amplifiers, the output power increases ______. As the conduction angle increases Factor of magnitude in an IC component density? 10 Small circuit considered as single set composed of element within or in a singe substrate? Microcircuit What is contained in a relay? Coil and a set of switch constants

How many individual memory cells would be contained in a memory IC that has 4 data input/output pins and 4 addresses pins for connection to the address bus? 64 memory cells

What happens to the permeability of an iron core as the current increases from operating point to a large valve? Permeability decreases In phototube, the average number of electrons photoelecrically emitted from the photocathode per incident photon in a given wavelength? Quantum Efficiency

Maximum time (?) that can be obtained using a standard single-stage 555 monostable multivibrator circuit? 11,000 seconds Absorption of slow-moving electrons by intervening matter? Ramsauer Effect Material used in photoconductive sensors for wavelengths longer than 1.1 µ m? Silicon What is the effect of armature reaction? Decreases total flux

By adding a mirror on the meter scale Why is the secondary of a current transformer shorted at operating conditions? To avoid core saturation and high voltage induction How thick film IC produced? Screening What is the function of a megger? To measure insulation resistance

What is the difference between a common gate amplifier from both common source and common configurations? A much lower input resistance A generator uses what method to produce voltage? Magnetic Method What is a rotary or electromechanical device used to perform trigonometric computation by varying the magnetic couplings between its primary and secondary windings? Resolver

What determines the rate of discharge of a capacitor? Value of the capacitance and load resistance What is the curie temperature of iron? 770 ºC What electronic circuit can be active (use of external power) or passive (use of resistor, inductor, and capacitor) that is attached to a twisted copper wire to even out their characteristics? Balance Circuit What is the major power supply used in MIG welding? DCRP What measures how well a bipolar transistor amplifies a signal? Dynamic Current Amplification What is the full scale deflection current of a moving coil instrument? 50 mA

An ideal electrometer tube (used for amplifying small electrostatic potentials) has _____ input impedance. Infinite What is measured by a wattmeter? Average Power What is the range of state in the free-energy spectrum of a solid in which electrons can move freely? Conduction Band Compensation in an op amp _______ bandwidth and ________ slew rate. Reduces; increases

Which has the lowest insulating property? Air What is the best insulator? Mica Which is not a variation of the 555 timer? 3905 In a leading power factor, the armature flux in an alternator _______ the total flux. Aids

What is another term for compensation theorem? Substitution Theorem An op amp for general purpose or use? LM101A

A diode formed by metal semiconductor which consists of aluminum and N-type silicon/ Schottky Diode

A device that detects a change in resistance with temperature in semiconducting metal oxides? Thermistor

What is the sensing element in an acceleration transducer? Seismic Mass

What is the conductivity of pure annealed silver wires? 108.8 % What was the programming language in the 1950s for engineering and scientific works? FORTRAN

What is the noise factor of an ideal amplifier? 0 dB

What do you call the technology of bringing fiber within a few hundred feet of your home? Fiber to the Curb (FTTC)

How many junctions are there in a photoresistor? 0 or none

What is used as a pre-emphasis, or to increase the amplitude of a given band of frequencies usually audio? Accentuator

What is meant by DVD? Digital Versatile Disk

Converts AC current to DC current? Synchronous Converter

What unit is measure of how fast a computer can carry out a mathematical calculation? Megaflop

A computer which is an interconnection of an analog computer and a digital computer plus converting equipment where each contributes its special advantage to a part of the solution of a class of complex problems? Hybrid Computers

Inferred absolute temperature of annealed copper? 234.5 ºC Another term for stand alone modem? External modem

A face-plate starter is employed in what type of motor? Direct current series

What is the charge of an electron in electrostatic unit (ESU)? 1

A deadlock situation that occurs when a program references a different page for almost every instruction when there is not even enough real memory to hold most of the virtual memory? Trashing

What motor starter is required with means of varying the speed of the motor to which it is connected? Controller

In DCSP, _______ is the hottest. Electrode What is the basic principle of a magnetic amplifier? A change in induction in a series LC circuit that causes a change in the true power

What is the hidden program introduced to a computer whose information is transferred from a floppy disk? Once inside, they ‘breed’ spreading throughout the computer file and then to other systems with mild to catastrophic effects Electronic Virus

What is the robot’s hand called? End – Effector A register that stores numbers for arithmetic calculations. Accumulator It enables you to determine the bandwidth, low frequency and high frequency and high frequency limit of amplifier. Frequency Response Curve Fully –charge alkaline cell. 1.5 V Fully-charge lead-acid cell. 1.3 V

Crossover distortion occurs in _____. Push –Pull How is parallax error eliminated?

A transmission method that uses a CW reference oscillator, which is locked with the transmitter frequency? Pulse Doppler An armature winding that requires a commutators pitch that is to be so chosen….. Duplex Wave Relationship between the output circuits to provide a maximum power transfer. Equal Impedance

Synchronous Mode A device used to deposit materials on a substrate? Wafer mask A circuit breaker that can be held ON during overcurrent condition? Nontrip-free circuit breaker

How would the compass react when the alternating current through the conductor was at high frequency? The needle of the compass will vibrate rapidly around the zero-current point AC meter (Magnetic North) Where do electrical faults in motor occur frequently? At its control equipment

What phase difference in the input and output of a common emitter? 180º Electrostatic field in a PN junction since electrons and holes must overcome this field? Barrier

What is the approximate duration of a transient period? 5 time constants An integrated OP-AMP has how many inputs? 2 What is the energy density of lithium cell? 90 Watt-Hour per Pound

What part of the transformer is most susceptible to damage by overheating? Insulation Winding The relation of hysteresis and frequency. Directly proportional What tool is used to adjust contact spaces on a relay? Point bender What works upon a principle that increasing a current through a coil decreases the permeability of the core; the decrease in permeability decreases the inductance in the coil; which causes an increase in current (power) through a load? Saturable-core Reactor What are some of the uses of GaAs technology? LED, Infrared Emitting Diodes, Visible Light Detectors How is the damping of the meter motion in D’Arsonval meter movement achieves? Eddy current in the movable coil frame What are the components of a harmonic drive used in robot transmission system? Wave generator, Flexspline, Circular Spline

Two transformers operating in parallel, share the load that is dependent on the transformer’s _______. Rate Materials used into pointers of indicating instrument. Aluminum

What is the simplest type of switch? Toggle Switch

What are the requirements when selecting a primary cell as a power source? Cost, size, ease of replacement, voltage or current needs What class of operation has the highest fidelity? Class A

What happens to the gain when input signal impedance increases? Increase

What type of memory often uses instructions and programs permanently stored inside a computer? ROM What refers to instruction generated, sent, retrieved, or stored by electronic, optical or similar means? Electronic Data Messaging What is the permanent programming on standard ReadOnly Memory? Firmware What is the effective means in protecting hybrid microcircuits or IC from moisture and the effects of harsh environment? Hermetic Package What is achieve by an external potentiometer that sets the output voltage to a precise zero when there is no input voltage? Input Offset Nulling

An electron tube that emits photoelectrons when cathode is illuminating? Phototube Measures the ability of OP-Amp to reject common mode signals. CMRR Maximum efficiency of transformer-coupled class A amplifier? 50% Most common used of anthromorphic-type robot arm? Paint Spraying Ratio of charge to mass of proton. 9.578 x 107 C/kg Printer type that uses spray of ink to form characters in a page? Ink Jet Printer

Color of the plate of a fully charge Lead-Acid. Deep Chocolate Brown Conductivity of a 99.99% pure gold. 72.6 % Measures the ability of the user to conduct a search in a database. Hit Rate Other term for non-servo robot or open loop robot. Fixed –stop robot

Refers to the actual output of transducers to that of ideal transducer in the same condition? Absolute Efficient High level language programming that is functionoriented and can be used to control low level machine? C Language Scale in an indicating instrument whose each deviation is of the same value in known as _______scale. Linear

What occurs in a capacitor as a result of the leakage current through the dielectric? Dielectric Leakage

What is achieved in controlling the gain of an isolator? Gain Stability

What is the science of interaction or interconvention of electric and acoustics phenomena? Electroacoustics

In a common collector, voltage gain does not exceed _____. Unity

What made refers to flip-flops in the counter when all clock inputs of each of the stages are connected in parallel?

Major identification of how much is the motor’s maximum operating temperature. Motor Class

Computer design in which silicon transistor in being replaced by a single molecule and a single part. Molecular and Dot Computers Electrolyte present in film/hybrid IC? Ceramic or Plastic Pairs of plates used to have good electrolyte in wet cell batteries. Zinc and Copper How is IF transformer in a radio receiver tuned? By moving the transformer core in and out transformer’s winding Amplifier with least distortion. Class A Theorem which applies only to passive networks? Reciprocity Theorem

of the

Oscillator which provides good frequency stability over a wide range of temperature variations and circuit parameter? Keyed Oscillator Process of transferring information to the active computer from a standby computer? Backtalk Band of frequency an amplifier can amplify? 15 Hz to 20 kHz

A law that states true on one part of an expression will be true in all part of an expression. Law of Identity

The reciprocal of wavelength. Wave Number The DIP and flat-pack pins are numbered consecutively in what direction? Counterclockwise

How would you increased the operation of a small PC processing system which currently I/O limited since the memory is limited to 1 MB. Add more main memory

What are the two basic types of magnetic devices that are used as error detectors? E-transformer and Control transformer

Used to bias magnetic amplifier in order to keep free from control (input) signal. Bias winding and additional circuitry

What is the most efficient method of increasing the speed of a 3.7 kW DC shunt motor? Flux Control Method

Method use to deposit many types of material in a highly evacuated chamber in w/c the material is heated electrically. Vacuum Evaporation Method

What are the characteristics of submerged is process? High wilding current, exceptionally smooth beads and deep penetration

The most common form of coupling stage? Transformer Coupling Op Amp for general purpose/use? LM 101A Instrument used to measure potential difference, electric charge, indirectly current produce by mechanical force exerted by electrical bodies? Electrometer Program that serves as the brain and nervous system of a robot? Controller Refers to the person by whom or whose electronic documents purpose that have been created, generated and/or sent? Organizer Composition by lubricating grease. Oil and Soup A thin, plastic cover with a large amount of information inside it. Microfiche

What are the four main types of secondary (wet) cells? NiCad Lead Acid Silver Zinc Lead Zinc

What is the purpose of built-in gate protective zener diode in MOSFETS? To prevent the gate insulation from being punctured by small static charges and excessive voltages

In magnetic amplifier, what allows the DC bias applied to saturated core reactor while AC control signals are applied to a separated core winding? Bias Winding

Why do electrons escape from hot metal surfaces? Because of higher energy supplied than the work function

What bearing of an electronic motor should be oiled regularly? Sleeve Bearing

What is produced by orbital of spin moments of electrons, or both, as well as by the moments of free electrons? Paramagnetism

What is the difference between the actual rotor speed and the synchronous speed in the induction motor? Slip

What is the purpose of hermitically sealed housing used in crystals? To keep out moisture and dust

On DIP and flat-pack IC vied from the top, pin 1 is located on which side of the reference? Left side What is the cause of gain variation with frequency? The presence of capacitance, both internal and external What is an essential feature of an autotransformer? It uses only one winding

A semiconductor device that contains a diffused source and brain region in a P-N channel region. MOSFET

Shock Wave is a form of wave therapy…..is connected to what part of the body? Brain What is the purpose of SiO2 layer of IC’s? To prevent shorting of elements in the What is the atomic mass unit (AMU)? 1.66 x 10 -27 kg

interconnection

What happens to the true power of the load when inductance increases in an LR resonant circuit? It decreases Zero power factor method is used to determine Voltage regulation At what angle does the conduction current….is at maximum? At 90º

A circuit breaker must be equipped with what trap for remote operation? Shunt Trip

Greatest heat energy loss in DC machines. Copper Loss A digital bipolar IC that is operated at either saturation or cut-off. TTL

What is the main operation of buffer? To acquire data and temporarily store it until another device such as DC and server, require to download it

The operating temperature of class B motor is 130º

What device is clipped to the in-circuit, dual-in-line package (DIP) logic IC to determine the logic state of each pin of the IC? Logic Chip A method that is useful in measuring insulation resistance and other high leakage resistance? Loss-of-charge method

What is the earliest form of micromodule? Cordwood module What type of bias is used in the operation of a photodiode? Reverse Bias What coupling is used at high frequencies? Impedance Coupling What theory states that, for the purpose of computation, a resistance can be replaced with a voltage equivalent to IR? Compensation Theory What feature of an Op Amp prevents it from hanging up to a certain logic level (i.e. high or low) when there is no power supplied? No Latch-Up What type of radiation extends only to a small distance because the particles are subject to electrostatic and other factors? Alpha Particle Radiation Components with excessively discrete elements belong to what type of electronics? Miniature Electronics

DC motor produced excessive sparks at the brushes. This is attributed simply to overload in the motor. This statement is ________? Sometimes true

Device that converts dc power in a predetermined frequency. Oscillator To achieve maximum power in dc motor, the back EMF should be… Half of the input voltage

Heavy atoms have more ______ than ________. Neutrons; protons Can be a battery be recharge by adding more electrolytes? No What variables are used in power calculations performed by a calorimeter? Temperature Mass Time

What is the purpose of phase log compensation in an Op Amp? To make the Op Amp stable in low values of gain A technique of batch producing ICs with the electrodes extending beyond the wafer edge? Beam-Lead Process

Size of a dry cell with largest diameter. D What should be done to increase bandwidth and decrease gain in an Op Amp? Adding negative feedback Type of current limiting used in voltage regulator? Foldback current limiting

What signal from an external device lets the computer know that it needs data or want to send data? Interrupt In Op Amps, the difference in input bias current and usually in absolute value? Input Offset Current A triac is a solid state device operating as what type of switch? 3 – Terminal Bidirectional Switch What is not one of the four general categories of losses in rotating machines? Hysteresis Voltage

Device which controls the gain of magnetic amplifier. Saturable core reactor What material slightly increases its resistance when temperature rises? Alloy What is the advantage of JFET over BJT? Less internal noise

What rectifier uses only one diode? Half Wave Rectifier Electric resistance beam welding uses what electrode? Disc

In FET, what do you call the process of formation of channel or increasing the channel conductivity by increasing charge carriers? Enhancement

What will you use to measure the back EMF of a Weston Standard Cell? Potentiometers

What construction technique when all elements both active and passive are formed in a single chip silicon? Monolithic Construction Technique

What is the correct value in maintaining the electrolyte of battery? Just above the separator

What is the typical range in voltage per ºC of input offset voltage drift? 5µ V – 50 mV

What is the normal open voltage of a mercury oxide? 1.35 V

In hotwire ammeter used to measure output current in fullwave rectifier, will obtain ______ of the maximum rectified current. 0.707

Lattice which concerns only the position of the lattice points in a crystal. Bravais Lattice

What determines the output of the cell? Electrolytes/electrodes

Amplifier with less time and therefore less power consumption. Class C

How many NiMH cell in series to produce 2.4 volts? 2 What bonding occurs when molecules formed, when atoms…. Van Waals Bonding How can the frequency in an oscillator be stabilized? By incorporating a tuned circuit LED can be made from what material? Gallium Arsenide How many segments can represent a digit? 7 Another name for video amplifier. Wideband Amplifier What bonding occurs when the total energy with an aggregate less with an atom near each other than separated? Chemical Bonding What is used in magnetic amplifier to develop power in the load? Charging Inductance

In an RL Integrator circuit, the output voltage is taken across which element? Across the resistor Which oscillator is usually used to produced an output which is highly stable and at a very precise frequency? Crystal The amount of current that can safely pass through a crystal ranges from 50 to 200 mA Which type of amplifier configuration has an approximate input and output impedance of 100 kΩ respectively? Common Collector What does the letter “A” in semiconductor IC like LM358A signify? Manufacturers Modification Version Which of the following rating would never be found in a fuse data sheet? Power Rating What does the number “2” (before the letter “N”) indicate in the JAN marketing scheme? Number of junctions What type of feedback is provided by the unbypassed emitter resistor in a common emitter transistor amplifier? Negative feedback What limits the frequency response of a transistor amplifier at higher frequencies? Interelectrode and Parasitic Capacitance What tern refers to an inductor (coils) when used for high frequency compensation? Peaking coils This is the maximum current permitted to flow in the forward direction in the form of nonrecurrent pulses. Current should not equal this value for more than few milliseconds. Maximum Surge Current It is the most important current rating for a diode; it indicates the maximum reverse bias voltage that may be applied to a diode without causing junction breakdown. Peak Reverse Voltage PRV In troubleshooting, this is one method used to localized trouble in a circuit. This is done by observing the waveform at the input and output of each part of the circuit.

Signal Tracing

In a series regulator when the resistance of the load increases, what does the series transistor must do in order to regulate the output voltage? The transistor must made to conduct less Which of the following voltage regulators is the most efficient? Switching Regulator This circuit multiplies each input by a factor (the factor is determined by the circuit design) and then adds these values together. Scaling Amplifier In an Op Amp differential amplifier if all resistors value is equal, the voltage gain is equal to _______. One or 1 The most convenient way and quickest way of testing a diode. Ohmmeter Method Prior to substituting a diode, what measurements should you take to determine its condition? Voltage and Resistance For good filtering in a power supply with a capacitor output filter, the filter capacitor should be Charge up as fast as possible and discharge as slow as possible How many inputs can a (a) differential amplifier and have (b) summing amplifier have? (a) Two only (b) More than two Which of the following is not an advantage of magnetic amplifier over other types of amplifier? Wide Frequency of Operation

Which of the following is the fastest when used as a switch? Schottky Diode This figure of merit of a power supply indicates how much the output would change with respect to the input voltage regulations? Line Regulation Voltage multipliers are used primarily to develop what type of voltage? High voltage where low current is required Oscillators are tuned on and off at a specific time are known as what type? Pulse Oscillator The simplest series voltage regulator was design to function as what type of resistance? Variable resistance in series with load Which of the following resistor configuration can be used to construct a transistor buffer amplifier? Common Collector Which of the following can’t be classified as a relaxation oscillator? Armstrong Oscillator The reduction of amplification in an oscillator circuit is referred to as Damping The following must be done I order to increase the bandwidth of an Op Amp and decrease voltage gain. Add Negative Feedback If the input-signal-developing impedance of an amplifier is increased, what is the effect of the gain? Gain Increases

Of the following test, which is the most valid for checking a diode? Dynamic electrical check with a diode test

An amplifier formed by 3 op amps and 7 resistors, including the gain setting resistor Rg is known as _______ amplifier. Basic Instrumentation

Which of the following statements describe the basic operating principle of a magnetic amplifier? A changing inductance can use to control current in the load

In an op amp inverting amplifier with an input voltage Vin, if the feedback resistor opens, what is the output voltage must likely to be? Negative Vcc

In a voltage divider biased NPN transistor, if the lower voltage divider resistor (the one connected to the ground) opens, what will happen? Transistor maybe driven to saturation ECCLES-JORDAN circuit is another name for Bistable Multivibrator Which of the following are the most common types of packaging IC production? All of the above Transistor Outline (TO) Package Flat Pack Dual-in-Line Package (DIP) Compensation to an op amp means _____ bandwidth and _____ slew rate. Reduced; increased Which of the following multivibrators gas the most number of stable states? Bistable A photodiode is a diode that Exhibits increase in reverse current with light intensity For full differential to take place the time constant of the circuit must be ________times that of the input pulse. 0.1 This is a special type of wave generator used to produce a narrow pulse of trigger. They can be used as frequency dividers or counter circuits and for switching other circuits on and of at specific times? Blocking Oscillators In zener diode, the zener effect accounts for the breakdown at what voltages? Below 5 volts In a FET, drain current in the constant current region increases when ____________. Gate-to-source voltage decreases What type of bias added to a negative clamper for the most positive extremity of the wave shape to be clamped to zero volts? Zero bias Which of the following are the types of LC oscillator? A. Colpitts B. Clapp

C. Hartley D. Armstrong E. Crystal-Controlled Ans. A, B, C, D and E What is the condition of the diode in a series limiter when the output is developed? Conducting In DC biasing, what is the main disadvantage of emitter bias? Requires two separate voltages In a MOSFET, the process of creating a channel or increasing the conductivity of the channel by the addition of charge carriers is _______. Enhancement What type of bias is added to the negative clamper for the most positive extremity of the wave shape to be clamped above zero volts? Positive bias Which of the following is an indication of cut-off? VCE = VCC What is the most commonly used filter today primarily in radio receiver, small audio amplifier supplies and in any type of power supply where output current is low and the load current is relatively constant? LC Capacitor Input Filter Interval of time needed for the voltage to go from 0 to 100% or vice versa of its maximum value is called _______. Transient Interval The leading edge of a trapezoidal wave is called ________ voltage. Jump An oscillator in which the signal frequency is usually governed by the charge or discharge time of a capacitor in series with the resistor. Relaxation Oscillator In a sawtooth waveform, what do you call the portion of the waveform where the capacitor is charging? Linear Slope Decreasing the gate length in transistor sawtooth generator does what to linearly of the output sawtooth waveform? Increasing Linearity

In a sawtooth oscillator what is the effect of increasing the value of the bias voltage Vcc to the output? Increase the physical length

What is the component added to a transistor sawtooth generator to produce a trapezoidal wave? Resistor In a trapezoidal wave generator, the output is taken across _______. The resistor and capacitor With a sine wave applied, which of the following circuits limits only a portion of the positive input signal? Series-Positive Limiter and Positive Bias With the sine-wave input, which of the following types of series limiter allows only a portion of the negative input to be developed in the output? Series-Positive Limiter and Negative Bias In a series negative limiter, how is the diode biased by the positive half of the input sine wave? Forward In a parallel diode limiter, how is the output taken and under what condition is it developed? Across the diode when the diode is cut-off The circuit is also known as Direct-Current Restorer and Base-line Stabilizer? Clamper In a positive clamper with negative bias, what extremity of the waveform is clammed and to what potential is it clammed? Lower; negative This limiter combines a parallel-negative limiter and a parallel positive limiter. Dual-diode Limiter It is a special type of oscillator which uses inductive regenerative feedback. Blocking Oscillator Which of the following is not a complex wave? Sine Wave In blocking oscillator the pulse width, pulse repetition time, and the pulse repetition rate are controlled by: Resistor Capacitor Characteristic of Transformer

A system with an integrator followed by a PM modulator. FM modulator In damping, it gives the most rapid transient response without overshoot? Critically Damped

The use of laser to punch a hole in the iris to relieve intraocular pressure within the eye? Yttrium Aluminum Garnet (YAG) What method is used to deposit thin film components on a substrate? Evaporation and Cathode Sputtering What is the earliest form of micromodule? Cordwood Modules

In blocking oscillator, a _______ can be placed in parallel with the primary of the transformer to eliminate the effect if inductive overshoot or parasitic oscillation. Damping Resistor In an RF amplifier, the use of swamping resistor and the optimization of the coupling method is aimed to ______. Increase the bandwidth of the amplifier In an RF amplifier, neutralization is done to counteract or neutralize the effect of _______. Interelectrode Capacitance The ability of the filter to distinguish between high and low frequency and to eliminate of rejects the unwanted frequency. Discrimination What is the term use to describe the frequency at which the filter circuit changes from the point of rejecting the unwanted frequency to the point of passing the desired frequency? Cut-Off Frequency What amplifier is designed to amplify between 10 kHz to 100,000 MHz? RF Amplifier Which of the following class of amplifier has the best fidelity? Class A A differential amplifier is configured with the differential input and output. All input signals are sine waves with a peak-to-peak amplitude of 10 mV. The gain of the amplifier is 10. If the input signal is 90º out of phase with each other and a combined output is taken between the two output terminals, what will be the peak-to-peak value of the combined output signal? 100 mV

When you solder electrical connectors, splice and terminal plugs, what type of solder should you use? 60/40 solder When heat-shrinkable tubing is used, what is the maximum temperature to which the wire should be subjected? 300 ºF What % of tin is used in alloy-lead sheathing? 2%

This is an Air Monitoring System. Biological Aerosol Sentry and Information (BASIS)

System

This procedure uses soundwaves delivered inside the water bath to pulverized kidney stones painlessly inside the body? ESWL Extracorporeal Shock Wave Lithotripsy An electronegative wave of potential occurring on the surface of the olfactory epithelium in response to the stimulation by an odour. Electro-olfactogram Also know as the Radionuclide Scanning. Nuclear Medicine Imaging (NMI) What is the minute return loss, authorized by the NTC? 7 dB Broadcast or push messaging shall not be sent between ______. 7 – 9 PM Each speaker assembly at the receiver reproduces exactly the same information. Monophonic

BIOELECTRONICS SQUID stands for Super Quantum Interface Device

_______ of the FM receiver is the minute dB difference signal strength between two received signals necessary for the capture effect to suppress the weaker signal. Capture Effect

MEG stands for Magnetoencephalopgraphy

In FM demodulator, it is also called the coincidence detector. Frequency Deviators

What is use for scintimamography? Gamma Camera

A system with a differentiator followed by an FM modulator is called ________. PM Modulator

What is used for imaging position emitters? Compton Camera

AM Detector is also called ___________. Second Detector

A type of radiation therapy in which radio active materials are placed in direct contact with the tissue being treated. Branchy Therapy

The Mixer is sometimes called _______. First Detector ________ occurs when the receiver picks up the same station at two nearby points on the receiver tuning dial. Double Spotting

CADMIUM stands for what? Computer Assisted Decision Making for Image Understanding in Medicine

It is one of the earliest types of AM receiver. TRF The IF section is also known as ______.

IF Strip

Magnetic Quantum Number Who was the father of the World Wide Web (WWW)? Tim Berners Lee

Antenna for submarines is called ________. SQUID Who coincide the word “Fiber Optics”? Kapany

The magnitude of the electron’s angular momentum vector. Azimuthal Quantum Number Quantum number used in thermostats that has low or zero thermal expansion? Azimuthal Quantum Number

Magnetron Boot and Randall Heterodyne Second Detector for SSB and CW Diode Second Detector of AM Distress frequency for radio telephony. 2182 kHz

What is referred to as the absorption of slow moving electrons by the intervening matter? Ramsauer Effect What crystal points refer to vacant lattice site with the missing atom is relocated to interstitial point where no atom should be? Frenkel Effect Ability of a ferromagnetic material to generate voltage as magnetization changes. Matteucci Effect

Distress frequency for aeronautics. 121.5 MHz in a monolithic IC wafer, what is the typical dimension of a diffused transistor? 20 µ m x 12 µ m In a monolithic IC wafer, what is the typical dimension of a diffused diode? 10 µ m x 12 µ m

Who calculated the velocity and radius of electrons on 1913? Neils Bohr Who computed the electrostatic radius of an atom? Ernest Rutherford In the year _______, _________ discovered the neutron? 1932; James Chadwick Internet was first conceived in _____. 1960s

What is the typical dimension of a monolithic IC wafer? 50 mil x 50 mil

he was the first electric chairman of the internetworking working group and also the father of the internet? Vinton Cerf (1972)

What is another term for azimuthal quantum number? Orbital Quantum Number Quantum number that defines the spin angular momentum. Spin Quantum Number

The word “internet “was first used. 1982

What quantum number defines the direction of the electrons angular momentum vector?

What standard cell that is 0.005 % less accurate and is used as a reference potentiometer/recording instrument? Unsaturated Cell What frequency where the transistor amplifier gain becomes 0.707 times its value at 1 kHz? Cut-Off Frequency Most effective way of protecting hybrid/microcircuit….? Hermetic Package Storage cell …..500 mAh to 1 Ah? Medium Cell Factors used to correct for electrostatic forces of most distant ions in an ionic solid? Madelung Constant Semicon whose junction is formed using a metal aluminum and n-type silicon? Schottky Diode

What is any system of units for electricity or magnetism base on the systems of equations for which the permeability of free space is taken as unity and ampere is defined as the fundamental unit in current? Electromagnetic Unit In electric motors or generators, what is used to define the number of core slots spanning between the bottom leg of a coil and the top leg of the same coil? Throw What circuit can be active or passive attach to a twisted copper pair to even out the electric properties of both wire? Balance Circuit What is the second best conductor of electricity? Copper What are the basic steps in IC manufacturing? Circuit Design, component placement, putting materials in a substrate

suitable substrate,

What is the simplest tube capable of amplification? Triode What type of cell uses light to produce voltage? Solar Cell

In a monolithic IC wafer, what is the typical dimension of a diffused resistor? 6 µ m x 30 µ m

Defines the total energy an electron has. Principal Quantum Number

Software that uses a hierarchical menu in searching and organized the internet. Gopher

If the capacitance of the capacitor-starting motor is increased, it results to a reduced ________. Starting Torque

The application of electricity directly drawn from animals including human to power electronic devices and appliances. Bioelectrogenesis What is the standard in IC density? IC density doubles every two years

Who coined the word “cyberspace”? William Gibson World Wide Web was conceived in ______. 1991

What amplifier wherein the output voltage is greater than the input voltage? Voltage Amplifier What do you called the ratio of iron core flux to the flux in the air gap? Leakage Circuit

Isotopes in a given element have the same numbers of ________. Protons Ratio of computer frame during which radar data was obtain to the total number of computer frame. Bit-Frame Ratio What do you called the transferring of energy between cells? Coupling What is the length of phosphor dot glow in a CRT before disappearing? Persistence

Where was silicon accelerator developed? Stanford University

What do you call the distribution of the main field due to the effects of armature current? Armature Reaction

What does the filter circuit do to the output voltage? It increases the output voltage

What do you called the equipment for tracing a signal through a circuit for detection of defects of wire components?

Signal Tracer Heavy particles which includes protons and neutrons? Baryons The shell with the greatest number of electrons is the _____ shell. N In what 1942 story of Isaac Asimov in which the word “robotics” was coined? Runaround What do you called the emission of light due to the dispersion of a gas? Electroluminescence

What happens to the true power of the electrical circuit when the permeability of the core of the coil is increased? Decreases

What is the measure of the number of bits per square inch of a disk space? Aerial Density What is the most widely used electronic measuring instrument? Digital Multimeter What amplifier wherein the output signal is dependent on the difference of the input signal? Differential Amplifier

When is degeneration suitable? When it is necessary to prevent signal distortion

Which is not a production process employed in the monolithic IC fabrication? Die Casting

How many amplifiers are there in a basic instrumentation amplifier? 3

What is the advantage of cordwood module? The ability to place many components in a given space

What is another term of thermal neutron? Slow Neutron

An alloy of nickel, which is composed of 40 - 60 % copper used in thermocouple? Constantan

What generates a complex waveform like triangular, saw tooth, trapezoidal waves and triggers? Non-sinusoidal wave generators/oscillators What is the theory states that matter can be converted to energy and vice versa? Einstein’s Theory What is the ratio of the safe load to the nameplate load of the electrical motor? Service Factor

How many watt meters are required to measure the power of a 3 phase 4 wire unbalanced load? 3

What is the purpose of rectifier in the magnetic amplifiers? Eliminate hysteresis loss

What is the strongest dielectric material? Glass

A device that uses two or more saturable reactors on which large power can be drawn? Magnetic Amplifiers

After the crystal is sliced into wafer, what is the next step in the preparation of silicon substrate? Ground and polished to remove surface defects

What is a magnetic amplifier? It is a device that has a perfectly linear magnetization characteristic

Approximately how many transistors are composed in a chip by 2015, using Moore’s law of prediction? 1 billion

What is the primary usage of a magnetic amplifier? Power Control Systems

What is the disadvantage of an LC capacitor filter? Cost and size of inductor

What is used to bias the control windings? Bias winding with added circuitry

Microcircuits are any component that contains what kind of elements? Integrated Circuits

What is used by a magnetic amplifier to control output (AC) signal? Saturable air core

The standard minimum distance of a component in a chip. 2 – 3 micrometer

How can you construct a NAND gate from basic gates? An AND gate and an inverter at the output

What will happen to a motor when single phasing will occur at the running stage of an induction motor? Motor will not start

What is the ideal output of an Op Amp if both inputs are zero? 0V What is the measure of the alignment of atoms or molecules in the magnetic material? Magnetic Susceptibility

How many Op Amps are there in a 324C IC? 4

SCARA robots are made especially for what purpose? Assembly What is resinous static electricity? Negative Electricity What is the substance that acts to the electrodes of a cell thereby making it conducting? Electrolyte What is the bypass capacitor that works well in high frequencies? Ceramic What is the purpose of the container in batteries? Holds the electrolyte and serves as a means of mounting the electrodes

It is a condition in which a small increase in control current would result to a large increase in power, and a small decrease would also result to a large decrease in power. Ideal Operating Point

The electrode capacitor transistor creates what kind of feedback? Degenerative Type of full wave rectifier, which does not use center tapped high voltage secondary? Bridge Rectifier

If a transmitter uses a high power oscillator to determine its phase, what switches the oscillator on and off? High voltage pulse from the modulator

The sensitivity of the meter multiplied by the full-scale voltage? Total Resistance of the Meter

What happens to the output waveform if the two inputs to a differential amplifier have equal amplitudes but are neither in phase or 180º out of phase? The waveform will have a different shape than the input signal but will have greater amplitude

What meter movement is commonly used in AC meter that uses magnetic repulsion of like pulse that is created by iron vane caused by current coil of the wire? Moving-vane meter movement or movingiron meter movement

A unidirectional DC signal can be derived from what source? Generator The following are the disadvantage of what kind of amplifier? Can’t be used in a low level signal, inefficient in high frequency, has time delay and poor fidelity? Magnetic Amplifier

The standard IC package. To-5 package, plug-in, hybrid film pack What kind of element has three protons in the nucleus? Lithium Why is it that the magneto motive force of air is much greater than when you use iron part in the magnetic circuit?

Because air has the lowest relative permeability Robot can considered as A. type of machinery that has an interesting control aspect B. mechanical manifestation of the output of the computer software C. practically, a tool in manufacturing

Scratch Pads Memory

How many bytes per second will be calculated by a computer in 2050 according to Moore’s Law? 500 Trillion

What is the inferred temperature of Tungsten? 202 ºC Which consists of elements inseparable associated and formed on or within a single substrate? Integrated Circuit

What armature winding in which the coil ends are connected to the commutator segments very near, but never exactly equal to the distance between poles of the same polarity? Simplex Wave

With regard to the linear voltage regulator, what is the meaning of remote sensing? The input connection to the error amplifier is made directly to the load What type of encoder is required for keypad inputs? Decimal to binary What are the two main components of microprocessor? ALU and Control Unit

Another name for compensation theorem. Substitution Theorem

How many inputs in the summing amplifiers? As many as possible

What is the operating temperature of a silicon transducer? - 100º to 200º

What is another name for decoupling capacitor? Bypass Capacitor

The brain of the computer where all the instructions are executed? CPU

Main disadvantage of a conventional full wave rectifier. Peak voltage is half of that of half wave rectifier

A deadlock situation which occurs when a program references different pages for almost every instruction and when there are not enough real memory to store most of the virtual memory? Thrashing

If you want to multiply binary numbers in a digital computer, it is adequate to use what? Adder/Subtractor Unit and Shift Register

Input conditions for Boolean expression? 2 In which electrical signal are exposed to light? Photovoltaic Cell Amplifier that has two outputs. Differential Amplifier “Branch voltage can be change by the branch currents can be replaced by branch voltage, same voltage drops and currents” Substitution Theorem Digital meter has ______ percentage accuracy. 0.01

What 3 batteries use the same electrolyte? Silver Cadmium Silver Zinc Nickel Cadmium

How to determine if the material is a conductor or insulator? Number of valence electrons What is the full charge rating of Alkaline battery? 1.5 V What is considered the hallmark of TTL? Immunity to pulse noise

Transducer and sensor use to detect change in resistance with temperature in metallic substance? RTD

What is the diameter of atomic nucleus? Between 10-15 to 10-16 m

In metals, conductivity decreases when electrons are scattered by all, but within _________. Long range order

At what point in the transistor the class B amplifier is biased? Right at Cut-off

What particle considered by nuclear investigator to be true elementary particle? Lepton and Quarks Which is a volatile memory? Semiconductor ROM

Also known as wide band amplifiers? Video Amplifiers

What will be the hydrometer reading of a fully charge Lead-Acid battery? Slightly less than 1.3

What ICs are formed completely within a semiconductor substrate and referred to as silicon chips? Monolithic IC

DC wattmeter consists of what device? Voltmeter and Ammeter

A system that uses high frequency sound wave to look into the body parts with piezoelectric crystal? Ultrasound or Sonograph

Increase of power level when output power doubles. 3 dB

A high speed memory used to store data temporarily so that the data can be retrieved quickly?

Techniques used to eliminate bonding wires and improve packaging? Flip Chips and Beam-Lead Chips

Where are the data stored in Dynamic RAM? Data are stored as a charge in the capacitor What device generates high voltage by accumulating large quantities of electric charge? Electrostatic Generator

The feature of an Op Amp that prevents the output from hanging up (high or low level voltage) at certain input conditions? No Latch-Up What IC packaging technique is used wherein conductive layer patters are evaporated inside before the die is attached? Flip-Chip Package What is the maximum output of a PISO (Parallel-Input-Serial-Output)? 1 Part of a circuit breaker that senses overload and triggers the circuit breaker to open the circuit. Trip Element What is a circuit breaker trip element that uses the increasing magnetic attraction to a coil with increasing current to open the circuit? Magnetic Trip Element What is the purpose of the offset nulling? To zero the output voltage What law states that “for a set of equal energy orbitals, each orbital occupies one electron before any orbital has two electrons? Hund’s Rule What is the major factor that leads to the development of full-wave rectifiers? The fact that the full wave rectifiers uses full output both half cycles of the transformer What action should be taken if violent gassing occurs during battery charging? Reduce Charging Rate

What instrument is used for determining the magnetic characteristics for ferro-magnetic substance? Permeameter

What is the typical light to dark resistance of a photocell? 1: 1000

What wave looks like a sawtooth wave on top of a square wave? Trapezoidal Wave What makes high switching speed a possibility in an IC? Internal connections between components are physically tiny What is the resulting circuit is a half wave rectifier is added to half wave voltage doublers? Voltage Trippler What input is used to disable a multiplexer and demultiplexer when it is high? Strobe What term is used for the difference in individual reactance in an AC circuit containing both capacitors and inductors? Resultant Reactance

What is design to store data temporarily and/or change its format? Shift Register What factor is the order of magnitude in an IC component density? 10 What is the product of the magnitude of either charge of a dipole and the distance separating the 2 charges? Dipole Movement What class of operation can be used with a push pull amplifier to provide good fidelity of output signal? Class A Class AB Class B What method is used to measured insulation resistances and other very high leakage resistance? Loss of charge method

What is the advantage of using double receiver instead of two individual receivers? If one receivers goes bad, the entire unit is replaced

Why is iron loss in an actual transformer practically constant fro no load to full load? Because core flux remains practically constant

How many protons does oxygen have? 8

What is the number of times in one second the cycles repeats itself? Pulse Repetition Rate PRR/ Pulse Repetition Frequency PRF

What makes the scale of a permanent magnet moving coil uniform? It uses balance spring What oscillator provides good frequency stability over a wide range of temperature power supply variation of circuit parameters? Unijunction Oscillator What is the effect on gain if input-signal developing impedance of an amplifier is increased? Gain is increased What is another name for monostable multivibrator? One Shot What material has body-centered crystalline structure? Chromium

How is diode movement measured? In Coulomb-meter What is the most important advantage of nickel-cadmium battery to nickel-iron battery? Its ability to hold charge What amplifier used less time, therefore uses less power? Class C Why is it that in the open circuit test it should be measured at the low voltage winding of a transformer? Its ability to measure large number of load current What type of electricity does rotary armature in a magnetic field produce? AC

ECL Compare the RMS Voltage to Average Voltage, which statement is true for sine wave? The RMS voltage is greater than the average voltage What is necessary consequence for Coulombs Law of Electrostatics? Gauss Theorem What is the purpose of the phase lag compensation in an Op Amp? To make the Op Amp stable at low values of gain What converts the AC current to DC current? Synchronous Converters What time to move new sector and read data? Access Time

What is the main disadvantage of using Hopkinson’s test in finding the efficiency of a shunt DC motor? It requires two identical shun machine An electronic device that detects a charge in resistance with temperature in semi conducting metal oxides? Thermistor What is the frequency classification of a magnetic amplifier? Audio or Low Frequency Power Amplifier A device used in light-to-electrical conversion and signal amplification at the same time? Avalanche Photo Diodes What employed the starting for DC motor? Face Plate Starter What oscillators offer excellent stability at RF? Clapp

What law states that the term ANDed with itself or ORed with itself is equal to the term? Idempotent Law What is the relationship between electric, magnetic and mechanical phenomena? Electrodynamics The assemble of microcircuit or a combination of microcircuit and discrete component package in a _____. Microcircuit Module What is the principal method used in fabricating Semicon elements for hybrid and monolithic ICs? Planar Technology What is the impedance of a voice coil of the speaker in the transistor radio? 4 to 100 Ω What transformer is necessary to used when connecting a wattmeter to a load circuit that consumes large current? Current Transformer The workhorses of the nanomanufacturing world are ____. Nanobots What apparatus that generates static electricity consisting of a disk which is negatively charge by friction and a metal plate charge by induction when in contact with the disk? Electrophorus What is the most commonly used photovoltaic cell? Selenium Where is the output feedback for an Op Amp with a negative feedback? Inverting Input Why do CMOS digital ICs have high immunity to noise on the input signal or power supply? The input switching threshold is about one half of the power supply voltage

What is the duty cycle of a square wave? 1:2

What is the maximum reveres voltage that can be applied to an ordinary semi conducting metal oxide without irreversible damage? Peak Inverse Voltage

What bipolar digital IC in which the transistor are not operated at saturation?

What is the storage capacity of medium cells? 500 mAh to 1Ah

What substance can as semiconductor? Selenium Cadmium Compound Indium Compound In a sawtooth generator, why is a transistor turned on for a long time than the discharge time in the RC network? To allow the capacitor time to charge What amplifier class operates less than 50% of the input signal? Class C What type of amplifier is used in amplifications where the load current is low and constant, and the voltage regulation is not necessary? RF Filter What was the name of the very first transistor? Point Contact Diode

What lines of force that have an electric charge of motion both having electric and magnetic components and containing small data of electromagnetic wave? Electromagnetic Wave What quality of output signal that has exactly the same input signal except for magnetic and sometimes in phase? Fidelity What is considered as the best insulator? Mica What do you called two alterations that are unequal in time? Rectangular Wave

small compared with that of the field dipole is to be determined? Doublet

What is the required interval immediately after the active clock pulse for which the control inputs are held stable? Set-up time

For every electron raised to the conduction band by external energy, there is a hole left in the valence band, creating what is known as? Electron-hole Pair

If a transformer is run under normal voltage rating but in lower frequency, the flux core density ________. Increases

What kind of material is used in temporary magnet? It should have a low reluctance and high permeability such as iron and soft iron Electric shock is a shock therapy that is applied to what part of the body? Brain

When will the state “limbo” occur in an Op Amp? When both outputs are equal

What type of instrument is an ammeter? An indicating instrument

What sensor that detects the resistance of the intrinsic silicon with temperature? Spread Resistance Sensor (SRS)

An IC on a circuit that operates linear conditions of change? Analog ICs

What do you called the ratio of the volume of atoms divided by the cell volume? Packing Factor

What kind or trip in motors used for sensing? Shunt Trip

What bridge measures DC resistance? Wheatstone Bridge

What is the variable-length saw tooth generator that produces a sweep in a scope? Phanstron

What is another term for magnetic amplifier? Low Frequency Amplifier What is the average voltage of the half wave rectifier which is 50 V at peak? 15.9 V What are the advantages of magnetic amplifier? High efficiency Reliability Ruggedness No warm-up time What is the operation condition of the circuit when no input signal is applied to the circuit? Quiescence What will happen if the field circuit o the shunt load motor is suddenly open? The circuit breaker or fuse will open before too much damage will be done to the motor

Why common emitter commonly chosen for impedance matching? Because the input impedance is high and the output impedance is low Standard method of storing data 80 columns, 12 rows data cards? Hollerith Code Another name for encrypted data? Cipher Text A speaker that operates at low frequency? Woofer What bond results from the attractive forces between positive and negative ion or a pair of opposite charge ions? Electrostatic Bond What is the combination of two point charges with equal magnitude and opposite polarity separated by a distance

Why is the diode placed across a coil in a relay? To avoid high voltage

What is the main reason of grounding the return terminal of the transformer to the chassis? Eliminate shock hazards What amplifier is used to amplify signals coming from the antenna? RF voltage Amplifier What kind of regulator is used when the load on the unregulated voltage must be kept constant? Shunt Regulator A multi contact switch, which is constructed in a circular or semi-circular pattern? Rotary Switch At what frequency will the gain of the transistor amplifier be equal to 1 when the emitter is grounded? Gain Bandwidth Product What is the principle behind magnetic amplifiers? The change in the induction of the RL in the true power

circuit causes a change

DPDT switch can simultaneously control _______. 2 circuits

In a magnetic amplifier, the control of power is measured by what? Charging Inductor

In transformer, the resistance of its primary and secondary should be what? Infinity

What is the collector current of a common base? Equals alpha times the emitter current plus the leakage current

Keeping the power of electric motor constant, if the speed is halved, its torque is ______. Doubled

A clamper with bias, which clamps most of the negative proximity of the output waveform to the negative ammeter? Negative clamper with negative bias

Repulsion motors have 2 set of brushes, one is fixed and the other is movable. Deri Motor How much is the Maximum motor end-play? 0.4 mm

What are the two electrons which functions or rendered as functioning in concert, especially when two electrons are shared by two atoms in a covalent bond? Electron Pair

A shorted DC motor armature will draw ______. High current

Practical application of electricity drawn from the bodies of animals, including human, to power electronic devices and appliances. Bioelectrogenesis Any distinctive mark, characteristic, and/or sound in electronic form representing the identity of a person and attached to or logically and any methodology or procedures employed or adopted by a person or executed with the intensions of authenticating or approving an electronic data message or electronic document. Electronic Signature

What battery has a similar function with photovoltaic cell? DC Battery The shunt is used in parallel DC ammeter to measure large currents in order to ___________. Reduce ammeter current

What is the main advantage of nickel cadmium battery over nickel-iron battery? Its ability to hold a charge What is a critically damped meter? Meter that comes to the correct reading rapidly but not overshoot What coefficient is used in diode equations where the values depend on the voltage and type of materials? Emission Coefficient What electron emission in which gamma radiation may be produced to decrease energy binding? Beta Decay What electrical characteristic changes in temperature in a Thermistor? Resistance What refers to the use of electricity to purify metal or to reduce metallic compound into a metal? Electrometallurgy What is the permittivity of a dielectric material? It is the ratio of the electric flux density to the electric field intensity In an LC choke input filter, what prevents the rapid charging of the capacitor? The CEMF of the inductor

What is the purpose of amplifier coupling network? It transfers energy from one stage to another

The compass needle points on what direction for geographical north landing? Magnetic North On batteries, what does “floating charge” means? The battery voltage is equal to the charge voltage What software that is first read on which the BIOS is incorporated? Operating System Software

How many Op Amps does a window comparator have? 2 “The amount of magnetic flux passing through a closed surface is zero.” What statement is this? Gauss Theorem for Magnetic Flux

What do you called the ratio of the flux in the iron part to the flux on the air gap. Leakage Circuit What instruments displays the waveshape of voltage and current? Ondograph

How many fundamental substances found in nature? 92

Why is the used of large value capacitor in a filter circuit discourage? Because it is expensive What part of the receiver that separates the audio or video components from modulated intermediate frequency? Second detector modulator What is another term for magnetic amplifier? Low-frequency amplifier What device uses the interaction of magnetic field in a fixed or moving set of coil to measure current, voltage, and power? Electrodynamometer What MOS digital IC has the highest operating speed? NMOS In a process monolithic IC, what is the typical dimension of the diffused resistor element? 6 µ m to 30 µ m What is one of the most ingenious ideas taking a double stranded molecule as a kind of biological computer tape? DNA Computer What is the antiparticle of antineutron? Neutron How do monolithic ICs differ from film ICs? Monolithic ICs contain passive and active elements while film ICs contain passive element only

What is the purpose of n adder circuit? To add all input signals What device process complex binary codes into a recognizable bit or character? Decoder What frequency is the time per second for the tank circuit energy to be stored in a capacitor of inductor? Resonant or natural frequency What operation has the highest fidelity? Class A What is termed as the frequency in which the transistor gain decreases to 0.707 of its value at 1 kHz? Alpha Cut-off frequency

What are the types of LC oscillators? Colpitts Hartley Clapp Pierce Crystal Armstrong

What is another form of operation of basic NAND gate? One AND gate with inverter at the output When two coils are wound around a single coil, what effect does a current change on the second coil around the conductor? Change the inductance

What sensor detects the change in resistance of extrinsic silicon with temperature? Spread Resistance Sensor (SRS)

It is composed of 15 – 20 % of chromium, which has high electrical resistance? Nichrome

In series linear regulator, what is the control element? Transistor in series with load

The PIN diode acts primarily as? Switching diode up to gigahertz range

What element is insulated from channel material in MOSFET? Gate Terminal

An instrument that measures variable inductance. Variometer

What type of amplifier is used to preserve DC components of a signal? Capacitive-coupled amplifier In series wound generator, as load current increases, what will be the effect of the voltage? Voltage decreases In fluorescent lamp installations, the moving wheels appearing to be stationary? Stroboscopic Effect

It is the longest time in triggering a standard 555 timer monostable multivibrator circuit? 11,000 sec On radio frequency oscillator, it measures RF wave? Wavemeter How long does it take for electromagnetic energy to travel to destination and return back to the source? 12.36 µ s What is the angular displacement required to achieve for a moving joint about an axis that is perpendicular to the face of the joint and stop of the body?

Yaw How many trigger states does a 555 timer have? 4 It is a residential typical AC interruption that decreases output voltage which last for a long time for more than one cycle of the input signal? Blackout

200,000 What is the diameter of the original wafer before processing? 3 to 8 inches

What amplifier that amplifies AC signal from variable capacitor transducer having capacitance impedance such as piezoelectric transducer? Charge Amplifier

What is the highest number of electrons of an N shell have? 72

If the applied voltage on a dc shunt motor is halved, while the load torque is doubled then the speed is ________. The same and the armature current is doubled

What is the term used to describe the sharing of valence electrons in the neighboring electrons? Covalent Bonding

The main thing common between Hopkinson’s Test and Field’s Test is that both need two similar _______. Mechanically-coupled Motors

What is the information or represented information of data, figures, symbols and other written expressions, by which right is established or obligation extinguished, by which fact is approved or affirmed, by represented, produced, recorded, transmitted, stored processed and printed by electronic means? Electronic Document

What is the turn-on voltage of Ge junction diode? 0.3 V

What is the measure on how much time taken by the computer system to do a certain job? Throughput

What is the widely used method in introducing controlled amount of impurities into the silicon substrate? Diffusion

What wave has the linear voltage followed by a rapid decrease in voltage at the end of the wave? Sawtooth Wave What is the amplifying strethoscope which permits heart sounds to be heard at a distance? Telecardiophone What material is used by permanent magnet or a magnetic material? Hardened Steel A hybrid IC is a combination of what elements? Monolithic and Film How are magnetic domains of a bubble memory switch? By passing current through a control circuit imprinted on the top side of the crystal What is the voltage gain of typical Op Amp?

What is the magnetic core reactor that the reluctance is controlled by the changes in permeability of the core? Saturable Core Reactor

What do you call when a magnetron fires randomly than firing on each successive pulse as expected? Mode Skipping

What is the science or art of using electronics in mechanical applications? Mechatronics How many atoms in a cell in a simple cubic crystalline structure? 1

What lead is often omitted in phototransistor? Base What class of operation is used if you want a complete signal from half of the input signal? Class B What is the purpose of placing one amplifier after another? To provide greater overall gain What is an emission that an electron in the substance gains sufficient thermal energy to overcome the restraining forces at the surface of the substance and so escape to the surrounding space? Thermionic Emission

What is the purpose of the commutator on DC shunt motor? To convert DC to AC What multivibrator remains in the stable state when there is an applied trigger and switches to the other stable state when applied with another triggered pulse? Bistable Multivibrator

In IC production, what method used in which elements penetrate substrate? Diffusion Method Who regards as the first computer programmer? Augusta Ada Bryon What degree of force acting on current carrying conductor where magnetic field becomes maximum? 90 º Lenz’s Law is a consequence of what law? Law of Conservation of Energy A computer program based on artificial intelligent that performs decision making function? Expert System A standard cell that is less accurate 0.005 % but low temperature coefficient and is used as reference potentiometers and record meters? Weston Unsaturated Cell

What is a high evacuated chamber in which a controlled quantity of gas that permits electron mobility to act as a primary carriers of current between at least on pair of electrode, under the control of one or more additional electrodes? Electron Tube

What interface standards that is used to interconnect printers to computers? Centronics Interface

What type of coupling which is most useful in impedance matching? Transformer Coupling

In class C amplifiers, signal power output increases as? Conducting angle increases

Simplest type of rectifier which only uses one diode? Half-wave Rectifier What is the normal memory size assuming a simple and direct 16 bit? 64 kB

In the process of monolithic IC, what is the typical dimension of diffused transistor element? 20 to 12 µ m

Robots can be considered as: A. a mechanical manifestation of the output of the computer software B. primary functions as a manufacturing tool C. ….performs aspect control What is the advantage of compiler than interpreter? It can be stored and can be reused as required

Amplifiers are classified according to? Function and frequency response

What type of memory that is not a user programmable? ROM Before doping semiconductor process, at what stage be the material? Purest Stage What is the resonant conductor that is placed in waveguide or cavity to insert or extract energy? Probe Coupler A thermocouple is a device that produces voltage by what method? Heat

The alternation of the excitability and conductivity of a nerve caused by the passage of electric current? Electrotonous

All data in memory is lost when power source is removed Note: ROM – non volatile

The encoder essentially used in keyboard inputs. Decimal to Binary

A face plate starter is used when starting what type of motor? Direct current series or DC series

What refers to the medical science that uses electricity to treat deceases and ailments? Electrotherapy

How can we control the speed of the DC motor? Vary the flux per pole Vary the resistance of the armature circuit Vary the applied voltage

It measures the specific gravity of battery electrode? Hydrometer What level of packaging does resistor, capacitor and transistor alike? Level 0 Base 1, base 2 and emitter are elements of what transistor? UJT What best describe an SCR? It is a diode with electrically controlled switch What magnet containing essential of soft iron core wound with current carrying coil of insulated wire? Electromagnet In the energy level diagram of an intrinsic semiconductor, the Fermi level lies ______. In the forbidden gap It is the study on how computers handle data? Informatics

What effect is electro optic modulation is dependent from? Electro Optic Effect What device has the disadvantages: (1) can’t handle low level signals, (2) not useful in high frequencies, (3) low fidelity? Magnetic Amplifier What type of cell is commonly used in heart pacemaker? Lithium Cell (3.0 V) What is a transputer? It is a 32-bit device It is a computer on chip It is based on parallel processing

How can hysteresis loop be reduced in a given specimen of magnetic material? By decreasing the magnetic flux density passing through it

Amount of biological damage made by radioactivity? REM When does maximum efficiency in transformer occurs? When copper loss is equal to iron loss

What’s the problem caused by overcoupling in transformer? Low gain at center frequency

An atom which gains or losses 1 or more electrons? Ion

Measures a very small time interval? Chronometer

How do we change the output of a RS flip-flop? By placing a high or one in the R input

What is the purpose of no-load test in the transformer? To determine magnetizing current and loss

Where are accelerometers often used? Navigational Aids

What is a place in computer cabinet where peripheral devices, such as disk drives can be installed? Bay

What composes an oscillator? Amplifier Regenerative Feedback Frequency Determining Circuit

What is the science of measurement in the whole electromagnetic spectrum? Radiometry Another term for cataphoresis? Electrophoresis

What filter is used in power supply with minimum required input current and practically constant load? LC-Capacitor Filter A sine wave oscillator (generator) which uses RC for its frequency determining circuit? Phase shift oscillator

Another term for “throw-away switch”? Sacrifice Switch Transmitter that is used in one stage to produce RF pulse? Unijunction Transmitter Denotes potential recording in head by use of scalp electrode? EEG (Electroencephalogram)

An emerging technology on non-volatile memory? Flash Memory What is the advantage of push-pull amplifier? More power gain than a single transistor Used to measure magnetizing force and flux density? Permeameter Solid made of crystal grains of different sizes? Polycrystalline 2 up and 1 down quarks? Proton

Silicon becomes intrinsic semiconductors with electrons as the majority carrier is doped with what element? Antimony

The characteristic sign of magnetic susceptibility of ferromagnetic material? Positive

What is to be added if the electrolyte in alkaline battery is low? Distilled water

What is the most commonly used from the Op Amp? IC (chips)

Why are series motors never started without mechanical load on it? Developed excessive speed and damage itself

After the winding is traced once around the commutator and has a coil and arrives two segments behind or ahead the starting point? Duplex wave

What is the common alloying ingredient of copper? Zinc

The rotational displacement of a joint around the principal axis of its motion particularly at the unit is? Roll

What describes what happen to data if a file is split into many places in the storage disk? Fragmentation What does “volatile (RAM)” in computer storage means?

Number of output of an Op Amp? 1 Maximum efficiency of a class B amplifier? 87% What is the use of a summing amplifier? Multiplies the sum of the inputs to the

amplifier gain

The smallest particle of an element which retains the characteristic of that element?

Atom

What is the most common cause of electron tube failure? Open Filament

What is the DC voltage of a haft wave rectified signal with 50% peak? 15.9 V (0.318 x 50 V = 15.9 V) What is present when the depletion layer is expanding? Diffusion Current

A complete computer on a silicon chip? Transputer What is a software designed specifically for small business? SOHO

What is produced by moment resulting from 2 antiferromagnetic lattices? Ferrimagnetism What is produced by electronic graph or tracing? Electrograph

What command is used to make a link in HTML (HyperText Markup Language)? Anchor Tags

The relationship between the impedance and current of an ideal resonant circuit? Low Impedance, high current The automatic control mechanism consisting of motors or actuator driven by signal that is a function of the difference between the commanded position or rate and measured actual and/or rate? Servomechanism How can the hysteresis loss be minimized? By selecting a magnetic material having hysteresis coefficient

What is the name of the electronic and mechanical devices which make up the computer system? Hardware

What indicates a low ripple voltage output? Good Filtering Particles which is about 0.1 amu? Mesons Worst case condition with no input signal occurs in what type of amplifier? Class A

low

How many poles does the magnetic bar have? 2

What is the purpose of a mirror in a Multimeter? To make sure that there is no image of the pointer in the mirror when reading the meter A method of debugging in which a program is executed one instruction at a time and register contents can be examined after each step? Trace

A wave energy with the frequency within the electromagnetic spectrum generated by periodic fluctuation of an electromagnetic field resulting from the acceleration or oscillation of an electric charge? Electromagnetic Wave

The pin resistor used in industrial electroheating is of ____. Hair pin form

The microprocessor communicates with other devices in the system by using how many numbers of buses? 3

Refers to the garaging of the two adjustments of an AC bridge together in such a way that charging one adjustment changes the other in a special way but changing the second adjustment does not change the first? Orthogonal Nulling An amplifier having 2 possible input states and 2 possible output states and the combined output is dependent upon the difference of the input? Differential Amplifier A discovery that leads to the development of vacuum tubes? Edison Effect What is the function of a rectifier in a meter? To convert AC to pulsating DC What system in which the output is related to its input by device parameters only? Open Loop A computer problem that causes the read-write head to hit the surface of the disk? Headcrash

3 types of robots used in assembly operation? Cartesian SCARA Anthromorphic What is used to coat or cover with a layer of thin metal by electroposition? Electroplate What is the increase in power level of an amplifier if output power is doubled? 3 dB Refers to the foreign atom located at the interstitial state. Interstitial impurity atom Formed when there exist distant electronic interactions between changes present in the neighboring atom of molecules? Van Walls Bond What is the most basic type of filter? Capacitor filter

What best describes a common emitter amplifier? An amplifier with more power gain than common base and common collector What term refers to the rotation of an RF feed source to produce a conical scan pattern? Nutation

Solid composed of randomly placed atoms and ions? Amorphous What is the charge of the electron? 1.602 x 10-19 Coulombs

What determines the power factor of an alternator? Load

What method in packaging ICs in which the element does not penetrate the substrate? Epitaxial Method

(Electrolyte is Potassium Hydroxide and water)

If a high gain is needed for an RF amplifier, the component at the output element should be _________________. A step-down transformer What are the three types of cells with the same electrolytes? Silver-Cadmium Silver-Zinc Nickel Cadmium

It is a vacuum tube in which a single electron produces a large amount of secondary electrons upon collision with an anode, the process generally repeated through several stages to produce greater amplification. Electron Multiplier

What circuit is fabricated by combining two or more circuit types, such as film of semiconductor circuits, or a combination of two or more circuit type and discrete elements? Hybrid Microcircuit

Saturated core reactor that solves load flux by aiding and opposing control flux of the half alternate cycles of the AC load current. 3-legged and toroidal

How many outputs does a six-stage PISO (Parallel In, Serial Out) shift register have? 1

A device that measures speed while flashing a pre-set frequency? Stroboscope

An electron is a subatomic particle in the lepton family having a rest mass of ___________. 9.1066 x 10 -28 grams

What is the input impedance of a common-collector? High

Why is it that the magnitude of magnetomotive force required for the air gap is much greater than the required for iron part of a magnetic circuit? Because air has the lowest relative permeability

Crystal is slice into wafers An elementary, single coil, DC generator will have an output voltage with how many pulsations per revolution? 2 What is the common cause of electron tube failure? Open Filaments

What is the common type of crystal defect? Line Defect

What is another term for semiconductor memory chips? Integrated Circuits What is the difference between UTP & LTP? Hysteresis Voltage

What is the name given to the amount of energy needed to remove the electron from the surface? Work Function

At what portion of the magnetization curve can the magnetic amplifier be operated? The knee of the curve

What is the typical power range of a diode sensor? 0.1 nW to 10 mW What electronic function made transistor famous? Amplification In meters, what process is used to keep the pointer from overshooting the correct reading and to smooth out the oscillation? Damping How many protons, electrons, and neutrons are in the isotopes of carbon 14C6? 6 protons 6 electrons & 8 neutrons

What refers to computer check routine using a program that calls for a series of arithmetical and logical operations on one section of memory locations, transferring on another section, checking the correctness of transfer & repeating the series of operations? Leapfrog Test What charge is arbitrarily chosen as a test body for electric field? Positive Charge

What is the purpose of connected cell in series? To increase voltage What process in monolithic IC fabrication begins with the highly polished silicon wafer being placed in the oven? Diffusion Method What instrument is used to measure small interval of time? Chronoscope What is a single memory word location used to temporarily hold data during programming execution? Register

What filter is used in power supplies where voltage regulation is important and where output current is relatively high and subject to varying load condition? LC-Choke Input Filter What is the typical residential AC voltage defect that refers to interference that appears as a small magnitude variations “riding” on the angular waveform caused by radio frequencies and electromagnetic source? Line Noise What refers to the number of points at which an actuator can select a contact configuration? The number of position

What switch must be turned on or off by a person? Manual Switching What is the essential feature of a non-servo controlled robot? Each axis can move only between hardware stops What does an amplifier do to an input signal? Alter the level

At what angle where the force acting on a currentcarrying conductor place on a magnetic field becomes maximum? 90º What welding process that describes an atom-to-atom band between two surfaces via intimate contact between their oxide-free surface areas? Pressure Welding

The transformation or turns ratio of a transformer cannot be equal to ____________. Zero What loss is not a rotational loss? Field winding loss What is the standard commercial format used in tape recording? Nine-track format

What two ways can data be physically organized on a disk pack? By cylinder or sector

What is the purpose of performing the open-circuit test at rated voltage? To measure core loss A type of switch makes possible the control of more than one circuit or selection of several possible circuits with a single switch? Multicontrol Switch A type of amplifier necessarily used to preserve dc components of a signal? Direct-coupled Amplifier

What cell contains electrolyte in which electrochemical reaction produces electromotive force? Electrolyte Cell

Inductors are added in the amplifier circuit to improve high frequency response? High temperature compensation

SCARA robots are being used increasingly for what? Assembly operations particularly in the field of electronics

What diode is formed by a metal-semiconductor junction containing aluminum and N-type silicon? Schottky Diode

What materials have variable magnetic susceptibility? Ferromagnetic Materials

What field of force associates with electric charge in motion, both having electronic and magnetic components, containing definite amount of electromagnetic energy? Electromagnetic Field

What computer sections that can be included in a single package called a microprocessor? ALU & Control Section What is the economical method in finding no-load losses of a large DC shunt motor? By Swinburne’s Test What part of a circuit breaker senses any overload condition and causes the circuit breaker to open the circuit? Trip-element What connect together the brushes in an isolation motor? Jumper Wire

If the magnetic field of an inductor is completely discharged, where is the energy of the tank circuit stored? Inductor Magnetic Field

What are the ranges of input voltage considered as a logic low in CMOS operating with an 18V power supply? 0 – 5.4V

What is the first step in the preparation of silicon substrate?

What specifies the shell in which electron is located? Permanent Quantum Number What is the maximum number of electrons in P shell in the atomic number? 72 What is the disadvantage of carbon arc welding? Occurrence of blow holes What instrument is used for detecting and measuring potential energy, electric charges, of electric current by means of mechanical force exerted between electrically charged bodies? Electrometer If the Q output of a compact stage is logic 1, the value of Q is ___________. Zero

When can a transformer have negative voltage regulation? When the load power factor is zero What type of charge in which the charger and the battery are always connected together to supply current in a load? Floating Charge What does SCARA stands for? Selective Compliant Assembly Robot Arm What refers to the secret code that secures and defends the sensitive information that crosses over public channels in a form decipherable only by its matching electronic key? Electronic Key What section in a digital decodes instruction and generates pulses for the operation of a computer? Control Section What is bubble memory consist of? A very tiny crystal made of semiconductor material What process involves depositing of a very thin layer of silicon to form a uniformly doped crystalline region on a substrate? Epitaxial Method What is an instrument that measures humidity with a single sensing element? Hygrometer What is a computer instruction that causes the load to be bought out from memory into the accumulator register? Load What is the other term or another name for “Cathephoresis”? Electrophoresis What is the common alloying ingredients in copper? Zinc What term is used to describe the product of pulse width and pulse repetition frequency? Duty Cycle What makes a body in a moving motion of charge around a closed-loop of a containing current-carrying conductor? Magnetomotance

A conductor in a magnetic field, either the field or conductor moves, an emf (voltage) is induced in a conductor. What do you call this effect? Electromagnetic Induction What do you call the number of compatible logic inputs that can be driven out without accessing its output current specification? Fan-out What is the normal flash rate of flasher LEAD? 3 times per second What IC manufacturing technique that combines techniques of monolithic, discrete, thick and thin frame? Hybrid Construction Technique What is the main function of a commutator in dc motors? Convert DC to AC What is the science of interaction or interconvention of electric and chemical phenomena? Electrochemistry What happens to the inductance when the permeability of the core of the coil increases? It increases What meter movement reacts to the voltages rather than current? Electrostatic What are the disadvantages of using ICs? Low power Consumption Compact Size Lower Cost The square or rectangular waveform produced by a flip flop can be used for what? Gating, timing and switching At frequency range of 10 – 1000 GHz, what microwave devices are used as oscillators? IMPATT Diode What is the preferred value of a resistor at 20% tolerance? 10

What particle radiation has no charge and produces no ionization and is therefore difficult to attenuate and poses a major health risk? Gamma Particle Radiation What noise is an amplifier produced by the fact that electrons in a resistor carry slightly different amount of energy? Johnson Noise The strength of the magnetic field at a given point, due to an element of a current carrying conductor, is directly proportional to the strength of the current and the projected length of the element and inversely proportional to the square of the distance of the element from the point in question? Laplace’s Law Under what condition in a circuit if the output depends on which two nearly simultaneous inputs arrive at a point in a circuit first? Race Condition What overcomes all the deficiencies of the Bohr’s atomic structure? Quantum Mechanics How many diodes are there in a bridge rectifier? 4 What memory refers to recently read and frequency read in a memory making a subsequent retrieval of data much more faster than reading from a tape or disk drive, or even from the main memory? Cache Memory What drive is constructed on an array of thermocouples used to generate larger voltage and current? Thermocouple How is loading effect minimized? By using a voltmeter whose interval resistance is many times larger than the resistance of the circuit being measured What process overcomes the problems associated with frequencies in an amplifier? Compensation A polygraph is an electronic device that measures movement of any part of the body except? Eye Movement

What class of power amplifiers is often used in the driver stage? Class A What amplifier is used when it is not necessary to preserve the DC component of a signal? Capacitance Coupled Amplifier What instrument is often used in checking the degree of motor shaft misalignment? Dial Indicator What term is the interval of time for the voltage to go from 0 to 100 (or 100 to 0) of its maximum value? Transient Interval The parallel-series system of speed control of series motor which is used in traction work produces speed in the range of? 1:4 In comparison with parallel compound motor, the series motor has the strongest torque because if its _________ at the start. Strongest Series Field What is the process of garaging two adjustments in such a way that changing one will also change the other in a special way, but charging the second will not affect the first? Orthogonal Nulling In computer logic circuits, what is meant by “complement”? The opposite of the original signal How does invisible light produce visible light in a fluorescent lamp? Invisible (ultraviolet) light is bombarded to the phosphor coating on the inside surface of the bulb to produce visible light

What does spectrophotometry use? Light optics & electric circuits What type of oscillator has an output with a null frequency range oscillating with an amplifier gain’s feedback path near the nulling frequency? Wein Bridge Oscillator What characteristic of bipolar transistor is also known as static forward current ratio? hfe A robot arm that can freely move objects or even itself in space.

Manipulator

Compared to a straight-cut spur gear, a helical gear has ____________. Lesser backslash

What determines the amplification characteristic of a JFET? Transconductance How are thick-film components produced? By screening

What machine has a single field structure, has an armature with two armature windings and two commutators? Dynamotor

A type of relay that switches in response to a specific number of impulses received? Notching Relay

What is the maximum torque tat can be developed in a motor without stalling? Breakdown Torque

What is the breakover voltage or dielectric strength of air dielectrics? 75 V/mill

What is the final stage of an Op Amp? Output Amplifier

An electronic circuit, either active or passive, that is connected to a pair of wires to even out the electrical characteristics of both? Balance Circuit What is an electronic circuit that supplies input to another circuit? Driver These are nonmetallic-scale robots that have tiny arms to pick and move atoms, and tiny brains to direct the process. Nanobots What is the temperature coefficient of extrinsic semiconductors? Negative Refers to the amount of data that can be stored in a linear inch of magnetic tape? Recording Density What element cannot be used to make a magnet? Carbon It is the ability of a machine system to perceived anticipated and unanticipated new conditions, and plan out actions? Artificial Intelligence Refers to the phenomenon wherein a twisted ferromagnetic wire produces voltage when magnetism is changed? Mattelicci Effect

What is the maximum frequency response of a magnetic amplifier? 100 Hz It refers to a device that converts chemical energy to electrical energy. Cell What is the product of either charge of a dipole and the distance separating the two charges? Dipole Moment

When the capacitance is reduced in a capacitance-start motor, it will reduce its? Starting torque The mechanical power developed by a DC motor is maximum when the back EMF is _________. Half of the applied voltage What is used to clean off dirt of lead acid type battery? Baking Soda (Sodium Bicarbonate) What is the main purpose of using air core of a transformer? Reduce reluctance of permanent moving path What coefficient is used in a diode equation whose values depend on voltage and type of material? Emission Coefficient DMOSFET can be operated at what gat-to-source voltage? Zero, positive, negative What is the purpose of offset nulling? To zero the output error voltage

What class of amplifier ahs the highest efficiency? Class C

What should be satisfied in an oscillator to oscillate? Feedback factor should be unity

What component can be used as a half-wave rectifier? Diode

What is needed for an SCR to conduct when it is forward biased? A gate signal

The magnetism arises from moving electric charge. This is also known as the physics of electricity and magnetism. Electromagnetism In multistage amplifiers, direct coupling is most suitable for? Changes in DC voltages

A step recovery diode is used mainly as a ________. Harmonic generator What special requirement is the pulse counting accelerometer designed for? When digital data is required for an accelerometer

Why is it that there are no transients in pure resistive circuits? Because there is no stored energy

What is the typical output of a lead acid cell? 2.1 V A class A amplifier is such that ________. IE flows all the time

What section in the power supply consists of secondary of the power transformer and the rectifier circuit? Rectifier Section

The plates of the lead acid battery is likely to be shortcircuited if _____________. Sediment deposits in the bottom of the battery

What is used to generate square or rectangular wave? Astable Multivibrator What is the current that travels from anode to cathode of a diode? Forward Current What is the resistivity of commonly used conductors? 1.7 x 10-8 Ω -m What is the purpose of the rectifier in a magnetic amplifier? To minimized hysteresis loss What is the relation between hysteresis loss and frequency? Directly proportional What is the length of the pulse measure? Pulse Width Who coined the word “cyberspace” in 1984? William Gibson Lead-acid batteries should never be allowed to remain in completely discharge condition for more than ____hours. 24 a polygraph is an electronic equipment which measures parts of the body except _______. Eye motion What is the main use of class C amplifier? As an RF amplifier What part of the transformer is most subject to damage from overheating? Winding installation Where do you measure the positive circuit current voltage output from a haft wave rectifier circuit? Cathode terminal What feature of an Op Amp keeps the circuit from being damaged when the output becomes shorted? Short circuit protection What value of input voltages switches the output of a comparator? Trip point What decreases the loading effect on the oscillator by reducing the interaction between the load & oscillator?

Buffer Amplifier

What type of cell is cadmium sulfide cell? Photoconductive What is the basic principle of magnetic amplifier? A change in induction in LC series circuit causes a change in the power How many junctions in a semiconductor diode? 1 What instrument is used to prevent oscillation in an Op Amp? Compensating Capacitor What is the difference between a data byte and command byte? There is no inherent difference What do you called the bond that holds the crystal? Covalent What do you call a person in behalf of another person and with respect to an electronic data message or electronic documents, sends, receives and/or stores or provides other services in relation to the electronic data message or electronic document? Intermediary What is the term that refers to a switch that disconnects a circuit completely at one point before the connection to the next connection is made? Short ? What controls the speed of dc series motor? Load What is the electrodynamics of heating effects and of current distribution in electronic networks? Electrokinetics What is an apparatus for generating static electricity consisting of a disk which in given a negative charge through friction and a metal plate that is charged by induction when it is in contact with the disk? Electrophorus Which of the following motors require high starting torque?

DC Series Motor What is the electrode of an alkaline cell? Potassium Hydroxide What is another tern for bypass capacitor? Decoupling Capacitor

What do you called the number of carriers (holes or electrons) per cubic meter of semiconductor materials? Carrier Density What is the purpose of a transformer aside from stepping up or stepping down the input line voltage? To isolate the chassis from the power line

What is designed to store data temporarily and/or change its format? Shift Register What type of variable resistor is temperature sensitive? Thermistor Filter is better in what frequency? High Frequency

What do you called the strong magnetism that occurs in certain ceramic compounds such as ferrites? Ferrimagnetism What is that disturbance which is similar to brownouts but of shorter duration that occurs when the line voltage drops approximately below 80 to 85% of the rated voltage by one or few cycles? Sag or Dip What high level programming language that can be used for mathematics and science programming? A Programming Language (APL) What magnetic tape operation in which the tape is continuously running is being written on or read while the tape is running? Streaming Tape Operation What is the advantage of a non-servo controlled motor? High Reliability High Operating Speed Low Cost How do you increase the operation of a processing system when its processor limits when performing sorting of small tables in the memory? Adding Cache Memory What is the process of translating data into a secret code? Encryption How do you vary the capacitance of a gang capacitor? By changing the plate area What IC packaging technique was developed through early experience with transistors? Transistor Outline (TO) Package Handling ability of robots. Good Payload Large work space/robot size ratio Simple point-to-point control

What happens to the field current of a loaded shunt motor opens? The circuit breaker or fuse opens the circuit before too much damage is done to the circuit Why is it that most digital computers do not have floating point hardware? Because the floating point hardware is costly

Under no-load condition, the speed of a universal motor is limited only by ____________. Windage and Friction What material is placed in a fuse to aid circuit interruption? Fuse Filter In what physical property is the operation of an accelerometer based? Inertia

What is the primary advantage of a VMOSFET over a MOSFET? Can operate at much higher power levels

What is the primary use of SCR? For switching power ON and Off

How can the manufacturer compress over a million transistors in a single chip about the size of a fingernail? By etching microscopic grooves onto the silicon crystal by ultraviolet radiation

In an unbiased PN junction, thickness of the depletion region is in the order of ____________micrometers. 0.5

The current that refers to the motion of charged density? Convection Current

How many NiMH cells connected in series to obtain 2.4 of dc voltage? 2

The material filled in a fuse tube to aid in current interruption? Fuse Filter

In a class A amplifier, conduction extends over 360º because Q-point is ____________. Centered on the load line

The _______in the number is the digit that has the greatest effect on the number. MSD (Most Significant Digit)

Electronic shock is ___________fatal. Sometimes

What is the used of the buffer? To reduce the interaction between oscillator and load Why is it that the iron loss in an actual transformer in a no-load & full load condition equals? Because core flux is practically constant The step-recovery diode is mainly used for _________. Harmonic Generator

Under no load condition, the speed of universal motor is limited only by ___________. Windage and Friction What chemical reaction produces in an electrolyte by an electric current? Electrolysis What made in which flip-flops in a counter have all clock inputs in each stage that are connected in parallel? Synchronous Mode

What is produced by motion of charge carriers under influence of electric field? Drift Current What machine has a field excitation by both shunt and series windings? Compound Machine The material used for fuse must have __________. Low melting point & high specification resistance

What class of amplifier operates 50% of its input? Class B Why series motor can’t start without mechanical load on it? Develop excess speed & damage itself What is the two gate MOSFET in which either of its gate control conductor independently, in fact this makes MOSFET very viable? Dual-gate MOSFET

What combination is reversed when plugging dc motors? Armature What is a group of flip-flops, each of which has the capability of storing true or false logic levels, and all of which normally are enabled by a single control line? Quad Latch What is the main purpose of using an interphase transformer with a multi-anode rectifier? To cause the anodes to overlap in firing What transducer and sensor is used to detect change in resistance with temperature in metallic conductors? RTD What happens to the true power if inductance increases in a series RL circuit? It decreases When is a second RC filter stage used? If ripple must be held at minimum What value of input voltage switches the output of a comparator? Trip-point How many PN junctions does a phototransistor have? Zero or none The effect of increasing the length o air gap in an induction motor should be ________. Increasing magnetizing current What is given off by lead acid battery? Hydrogen What is the current flow from anode to cathode? Forward Bias

“COMMIT TO THE LORD WHATEVER YOU DO AND YOUR PLANS WILL SUCCEED.” PROVERBS 16 : 3