Lab de Kirchhoff

 

VNBYFXPBDGD NG@BANGK DF TXVMBKKA  

IG@VKTGD DF BNLFNBFXÅG WVÅEB@G

GKVENA=   YBDGKFP PGN@OF], ZBFXXF GVLVPTA @VXPA= IÅPB@G LFNFXGK BB

TFEG=  

KFRFP DF CBX@OOAII

@B@KA R PF@@BÐN=   BBB-G

DA@FNTFP=   Dr. GXÅPTBDFP TÇYGXG GZANTF.   Kb`. MAXLF GKANPA GK]GEAXG KA]GNA.

 

Trumbkka ‐ Zfrý 8:8:

 

KFRFP DF CBX@OOAII B.

XFPVEFN= Pf rfgk rfgkbz bzðð kg rf`a rf`apb pbkg kg`b `bðn ðn df dgta dgtass fx fxpf pfrb rbef efnt ntgk gkef efnt ntff efdb efdbgn gntf tf un sbeukgdar dandf sf utbkbzð un gepfråeftra pgrg kg efdb`bðn df `arrbfntf y un vaktåeftra pgrg kg efdb`bðn df vaktgmf pgrg kgs 9 rfsbstfn`bgs fstghkf`bdgs fn fk `br`ubta fkâ`trb`a, `an ung i.f.e df 76 vaktbas. Tgehbân sf `gk`ukð df egnfrg tfðrb`g pgrg vfrbib`gr y `aeprahgr kgs kfyfs df Cbr`ooaii fn fk `br`ubta fkâ`trb`a, fn prbefr kulgr, `gk`ukgeas kg rfsbstfn`bg fqubvgkfntf ka `ugk nas dba un vgkar df 76.:94 ℩ df tgk egnfrg quf nas pfrebtbrç ogkkgr kg `arrbfntf tatgk quf `br`ukg fn fk `br`ubta df ung iufntf df 76.::: vaktbas. Tgehbân sf rfgkbzð kg `gkbhrg`bðn dfk pufntf df \ofgtstanf par ka `ugk iuf nf`fsgrba vgrbgr kgs rfsbstfn`bgs g tgk punta quf na pgsf `arrbfntf fn kg rfsbstfn`bg dbglangk, dandf  X x 576.::: ℩.

BB.

@GZG@BDGDFP= 

Dftfrebngr kg rfkg`bðn fxbstfn`bgk fntrf vaktgmf, kg `arrbfntf `an kgs rfsbstfn`bgs fkâ`trb`gs fn ung rfd df nadas efdbgntf kgs kfyfs df Cbr`ooaii.



@gk`ukgr tfðrb`gefntf fk Zufntf df \ofgtstanf y su par`fntgmf df frrar.

BBB.

IVNDGEFNTA TFAXB@A= Kfyfs df Cbr`ooaii Kgs kfyfs (a Kfegs) df Cbr`ooaii iufran iareukgdgs par  Lustgv Cbr`ooaii fn 7?46. Pan euy utbkbzgdgs fn bnlfnbfråg fkâ`trb`g pgrg ahtfnfr kas vgkarfs df bntfnsbdgd df `arrbfntf fn rgegs df un `br`ubta fkâ`trb`a y patfn`bgk fkâ`trb`a fn `gdg punta dfk `br`ubta. Fs nf`fsgrba prfvbgefntf dfibnbr kas `an`fptas df nuda a nada, rgeg, egkkg y `fkdg fn un `br`ubta fkâ`trb`a.     Nuda a nada= fs fk punta dandf `an`urrfn vgrbgs rgegs df un `br`ubta   

(eçs df 8 rgegs). Fk sfntbda df kgs `arrbfntfs fs grhbtrgrba y dfhf gsblngrsf  prfvbgefntf gk pkgntfa pkgntfa dfk prahkfeg. prahkfeg.   

    Xgeg=  fs fk irglefnta df `br`ubta fkâ`trb`a `aeprfndbda fntrf das nadas `ansf`utbvas.

 

 

  Egkkg= fs un rf`arrbda `frrgda dfk `br`ubta quf rfsuktg df rf`arrfr fk

  

fsqufeg fkâ`trb`a fn un ebsea sfntbda rflrfsgnda gk punta df pgrtbdg, pfra sbn pgsgr das vf`fs par kg ebseg rgeg  

  @fkdg= fs gqufkkg egkkg `uya rf`arrbda dfibnf ung supfrib`bf quf na

  

`antbfnf fn su bntfrbar nbnlung atrg rgeg.

Db`ogs kfyfs surlfn df kg gpkb`g`bðn df kg kfy df `ansfrvg`bðn df kg `grlg (kfy df kas nudas) y df kg `ansfrvg`bðn df kg fnfrlåg (kfy df kgs egkkgs).

Kfy df kas nudas a kfy df `arrbfntfs df Cbr`ooaii  (7g. Kfy df `br`ubta df Cbr`ooaii)= Fn tada nuda, kg sueg df `arrbfntfs fntrgntfs fs blugk g kg sueg df `arrbfntfs sgkbfntfs.

Kfy

df

kgs

"egkkgs"

a

kfy

df

tfnsbanfs df Cbr`ooaii  (8g.  (8g. Kfy df `br`ubta df Cbr`ooaii)= Fn tadg egkkg kg sueg df tadgs kgs `gådgs df tfnsbðn (vaktgmfs fn kgs rfsbstfn`bgs) fs blugk g kg sueg df tadgs kgs iufrzgs fkf`traeatrb`fs. Vn fnun`bgda gktfrngtbva fs= fn tadg egkkg kg sueg gklfhrgb`g df kgs dbifrfn`bgs df patfn`bgk fkâ`trb`a dfhf sfr `fra.

 

BY.

EG EGT TFXB XBGK GKF FP F BN BNPT PTXV XVE EFN FNT TAP AP==

EGTFXBGKFP

BNPTXVEFNTAP

Pbeukgdar

Yaktåeftra

ZXF@BPBAN  

· :.7 Y 

@aeputgdarg Bntfrnft Y.

Gepfråeftra

· :.7 eG

ZXA XA@ @FDB DBE EBF BFNT NTA A R DG DGTA TAP PF F_Z _ZFX FXBE BEFN FNT TGK GKF FP= 

@an kgs ofrrgebfntgs dfk sbeukgdar `anstrubr fk `br`ubta df @@ dfnaebngda  pufntf df \ofgtstanf, \ofgtstanf, `aea ssff vf fn kg Ibl Ibl.7. .7.



Zgrg ung ife df iufntf ƚ 5 76 Y, fkflbr kas vgkarfs df kgs rfsbstfn`bgs df eada quf `arrbfntf tatgk sfg B 5 7,:: G. Yfr Ibls. 7 y 8.

 



@an fk vaktåeftra rfgkbzgr kgs kf`turgs df kas rrfspf`tbva fspf`tbvass vaktgmfs y gnatgrka fn kg tghkg 7.



@an kg pbnzg gepfrbeâtrb`g rfgkbzgr kgs kf`turgs df kgs rfspf`tbvgs `arrbfntfs y gnatgrka fn kg tghkg 7.

Tghkg 7.-Ygkarfs rflbstrgdas df vaktgmfs y `arrbfntfs dbstrbhubdas fn fk pufntf df \ofgtstanf. FKFEFNTAP

XFPBPTFN@BGP PFKF@@BANGDGP X , ℩ 

YAKTGMF Y, Y 

@AXXBFNTF  B,  G

 

7

7:.:

6.67

:.66

8

78.:

6.04

:.44

0

6.:

:.7<

:.:0

4

9.:

0.68

:.62

6

2.:

0.92

:.47

9

9.:

6.2<

7.::

ZXA@FPGEBFNTA R GNGKBPBP DF DGTAP=

YB.

g. Yfrbi Yfrbib`gr b`gr kg kkfy fy df ka kass nada nadass df Cbr`ooa Cbr`ooaii ii gpkb` gpkb`gdg gdg g da dass nada nadass df kg rfd. -

Zgrg fk Nada @

∗ B 5 :  B 85 B 0 + B 6  B 8∘ B 0 ∘ B 6 5: :.44:  G :

:

5

∘:.:0: G ∘:.47:  G 5:

 

-

Zgrg fk Nada D

∗ B 5 :  B 4 + B 65 B 9

 B 4 + B 6∘ B 95:

+ :.47: G ∘7.::: G 5:

:.62: G :

5:

h. Yfrbi Yfrbib`gr b`gr kg kkfy fy df kgs e egkkgs gkkgs d dff Cbr`ooaii Cbr`ooaii gp gpkb`g kb`gdg dg g trfs eg egkkgs kkgs df kg rfd. -

Zgrg kg Egkkg G@HG

∗ Y 5: Y 7∘Y 8 ∘Y 05 :

∘6.04: Y ∘ :.7