Actividad No 01 Fuerza Electrica Campo Electrico Fisica III Ciclo 2012 - I
September 11, 2022 | Author: Anonymous | Category: N/A
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IASFTFCIC O½ =9. D^NWXI NJÆASWFAI. NJÆASWFAI. AI@]E NJÆASWFAE. 9.
RiP No nj éte`e cn lfcrñknoe, nj njnatrño nsté snpirice cnj pretño per uoi cfstioafi cn ¸
iprexf`ici`notn =.>1 I . µAuéj ns ji dunrzi njnatrestétfai nhnrafci per nj pretño segrn nj ¸
njnatrño, sf sn sign qun 9 I 0 9= 9= `5 RgP Ces airkis puotuijns cn >= oA nstéo snpiricis uoi cfstioafi cn =.9 `. Cntnr`fon ji `ikoftuc cn ji dunrzi nhnrafci per uoi airki segrn ji etri. RaP Aijaujir ji rnjiafño qun nxfstn notrn ji dunrzi njæatrfai y ji dunrzi krivftiterfi nhnrafci no nj pretño y nj njnatrño cn uo éte`e cn lfcrñknoe. ∗
7.
Srns airkis puotuijns sn noaunotrio segrn nj nhn " y" 2 q9 0 7>oA nsté no nj erfkno, q 7 0 ∗9=oA nsté no y 0 7` , y q1 0 7=oA nsté no y 0 1.>` . Cntnr`fon8 (i) Ji dunrzi onti nhnrafci per q9 y q7 segrn q1 (g) Ji dunrzi onti nhnrafci per q7 y q1 segrn q9 . (a) Ji dunrzi onti nhnrafci per q9 y q1 segrn q7 .
1.
^oi airki q9 0 3.=¾ A nsté no nj erfkno y ji etri airki q7 0 4.=¾ A nsté segrn nj nhn " x" no nj 0
puote x 3.> ` (i) Lijjir ji dunrzi nhnrafci segrn ji airki q 7 (g) Lijjir ji dunrzi nhnrafci 4.=¾ A 5 segrn q9 (a) µNo quæ cfdnrfréo nstis rnspunstis (i) y (g), sf q 7 0 ∗ 3.
Afoae airkis fkuijns Y nstéo fkuij`notn nspiaficis no uo sn`faàrauje cn ricfe W , ae`e sn focfai no ji dfkuri (i) Lijjir nj vijer y ji cfrnaafño cn ji dunrzi qun sn nhnran segrn uoi airki q jeaijfzici no nj anotre cn uo sn`faàrauje. (g) Cntnr`fon nj ai`pe njæatrfae rnsujtiotn segrn ji airki
+
q cngfce ij rnste cn airkis
Dàsfai FFF. Afaje 7=97 - F
+
Y , sf sn tfnon qun
9
+
q :: +Y
nau`piMusit.ncu.pn
>.
Auitre airkis cnj `fs`e vijer nstéo cfspunstis no jes værtfans cn uo auicrice cn jice J , snkøo sn vn no ji dfkuri. (i) Lijjir nj vijer y ji cfrnaafño cn ji dunrzi nhnrafci segrn ji airki sftuici no nj værtfan fodnrfer fzqufnrce per jis etris airkis (g) Cntnr`fon nj vijer cnj Ai`pe Njæatrfae cngfce i jis auitre airkis no nj puote `ncfe cn uoe cn jes jices cnj auicrice.
4.
^oi airki cn 9.1¾ A sn aejeai segrn nj nhn " x" no x 0 ∗=.>` , etri airki cn 1.7¾ A sn aejeai segrn nj nhn " x" no x 0 9.>` , y uoi airki cn 7.>¾ A sn aejeai no nj erfkno. Cntnr`fon ji dunrzi onti segrn ji airki cn 7.>¾ A . Secis jis airkis seo pesftfvis. 0
∗
0 ∗
;.
^oi airki puotuij cn >¾ A nsté jeaijfzici no x 3` , y 7` . ^oi snkuoci airki cn 9` , y 0 7` . (i) Cntnr`foir ji `ikoftuc y cfrnaafño cnj ai`pe 97 ¾ A nsté jeaijfzici no x 0 njæatrfae no x 0 ∗9` , y 0 = . (g) Aijaujir ji `ikoftuc y cfrnaafño cn ji dunrzi segrn uo njnatrño sftuice no x 0 ∗9` , y 0 =`
.= ¾ A nsté segrn nj nhn 7 ¾ A sftuici segrn nj nhn x no x 0 ¾ A nsté jeaijfzici no nj erfkno. ^oi snkuoci airki puotuij cn 4.=¾ A sn noaunotri no x 0 9` , y 0 =.>` . Cntnr`foir jis aeercnoicis x n y cn ji pesfafño no ji auij uo njnatrño nstirài no nqufjfgrfe. (a) ^oi airki cn ∗9.=¾ A nsté jeaijfzice no nj erfkno, uoi snkuoci airki cn 7.=¾ A nsté jeaijfzici no x 0 = , y 0 =.9` , y uoi tnranri cn 3.=¾ A no x 0 =.7` , y 0 = . Cntnr`foir jis dunrzis qun iatøio segrn aici uoi cn jis trns airkis.
94.
(i) ^oi airki cn >.= ¾ A nsté jeaijfzici no x 0 = , y 0 = y etri airki Y nsté jeaijfzici no x 0 3.=a` , y 0 = . Ji dunrzi qun iatøi segrn uoi airki cn 7 ¾ A no x 0 a` n y 0 = , ji dunrzi qun iatøi segrn njji ns ouji. Cntnr`foir nj vijer cn ji airki Y (g) Ji aeodfkuriafño cn ji `ejæauji cn i`eoàiae ns iprexf`ici`notn ji cn uo tntrincre rnkujir aeo trns feons L der`ioce ji gisn y uo fño O 1 no nj værtfan cnj tntrincre. Ji jeokftuc cn aici jice ns 9.43x9=-9= `. Aijaujir ji dunrzi qun iatøi segrn aici fño. +
9;.
∗
Srns airkis cn fkuij `ikoftuc q rnsfcno no jis nsqufois cn uo trféokuje nqufjétnre cn jice i . Ces cn jis airkis seo onkitfvis y ji etri ns pesftfvi, ae`e sn `unstri no ji dfkuri. (i) Cntnr`fon ji `ikoftuc y ji cfrnaafño cnj ai`pe njæatrfae no nj puote ] qun sn noaunotri i ji `ftic cn ji cfstioafi notrn jis airkis onkitfvis no tær`foes cn b , q y i . (g) µCñocn cngn snr aejeaici uoi airki cn ∗3q piri qun auijqufnr airki aejeaici no nj puote ] oe nxpnrf`notn uoi dunrzi onti ( D n + q ae`e uo `ntre.
Dàsfai FFF. Afaje 7=97 - F
0
=) 5 No (g) te`n ji cfstioafi notrn nj puote ] y ji airki
1
nau`piMusit.ncu.pn
9 f + 1 h ) x9=> O/A, ji geji nsté no nqufjfgrfe aeo μ 0 >1¸ . Cntnr`fon8 (i) Ji airki no ji geji y (g) Ji tnosfño no ji aunrci.
96.
Srns airkis sn aejeaio no jis nsqufois cn uo trféokuje nqufjétnre ae`e sn `unstri no ji dfkuri. (i) Cntnr`fon ji `ikoftuc y ji cfrnaafño cn ji dunrzi rnsujtiotn segrn uoi auirti airki + Y ugfaici no nj puote C (puote cn fotnrsnaafño cn jis `ncfiois). (g) Noaunotrn ji `ikoftuc y ji cfrnaafño cnj Ai`pe Njæatrfae precuafce per jis airkis ugfaicis no jes puotes I , G y A no nj puote `ncfe cnj snk`note GA
Dàsfai FFF. Afaje 7=97 - F
3
nau`piMusit.ncu.pn
7=.
Aeosfcnrn ji cfstrfguafño cn airkis + q qun sn egsnrvi no ji sfkufnotn dfkuri (]notincre rnkujir). (i) Cntnr`fon nj Ai`pe Njæatrfae onte no nj puote `ncfe " O " cnj snk`note CD . (g) µAuéj ns ji `ikoftuc y cfrnaafño cn ji Dunrzi rnsujtiotn segrn uoi airki +Y ugfaici no nj anotre cn ji airi cnj auicrice GACN 5
79.
(i) Cn`unstrn qun ji `ikoftuc cnj Ai`pe Njæatrfae rnsujtiotn precuafcis per ces airkis puotuijns, aici uoi cn `ikoftuc q , qun nstéo dfhis segrn nj nhn " y" no jes puotes y 0 + i n y
7bqx
0
0 ∗
i no auijqufnr puote cnj nhn x , vfnon cntnr`foice per8 N
(i
7
1 7 7 + x )
(g) Cntnr`fon
nj vijer cnj Ai`pe Njæatrfae no uo puote cnj nhn x , aeosfcnrioce qun x ?? 7i . (a) Cntnr`fon nj petnoafij Njæatrfae precuafce per nstis airkis puotuijns no uo puote cnj nhn x , sf sn tfnon8 N 0 ∗
cT cx
, icn`és no x 0 = , T 0 T =
Sigji O¸ =98 Airki y `isi cnj njnatrño, pretño y onutrño ]irtàauji Njnatrño (n) ]retño (p) Onutrño (o)
Dàsfai FFF. Afaje 7=97 - F
Airki (A)
@isi (bk) -96
-9.4=7969;x9= +9.4=7969;x9=-96 =
>
6.9=6>x9=-19 9.4;749x9=-7; 9.4;367x9=-7;
nau`piMusit.ncu.pn
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