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a of ELECTROMAGNETIC INDUCTION. t ‘ Whenever the humber of’ magnelic Qines of forces , of magnehic Fear, =... passing. trough: cvcutt changes. ,: ain... emf...is .produced._ in. the sivevit, a Ap fhe. etvevitk ls. eRosed ,.4 current,’ flows: through, 2 .. The. emf. cand ~ _cuvvent.. $0 produced. are cabled. tnducect.emf. and. -indueed seurrent.. cs, Sud. phenomingn is + Known: a3. 2£.M. ot i a () 7 < _Nétel- The direction * ob current: obeus. cers ee _ “ye FARADAY'S LAW. oF E.M. INDUCTION | ©# bihen tre. mag. f24% Linked . : —_ with “a civeuth~ is changing y tin Inducet>\’emf.. is: set up.t , fee _.,. tohose maghihude ts -2equah. 40... the wie vate change: Res ute. This ..1s...also enon, as. Neumanns laa’. |e. ry + @, Leng La19!- The direction... af. Ke induced... === emf, or the. Current, in any. clreuik. sis: Such.’ —. . induced -current~ & Indtcee! | charge | rae eee: “Abe 1s the vate of change of f2ue mee “BR Gg of LN fums then frduced emf en oN SoS - = a ask Andtuced—-current—t- Induces charge 8 = 4 ok ok Induced. Pot. Diff. due to_motion of straight. A. conducting ed TK =k. 15 moving... in @B “_asith. shed Ur to. B ¥ L, free. es inside. T ‘ LIE moves towards. end. .k due to mag. force . _. therefore end J becomes Ve yy. oy ® ; | oo tghi be. end Kk becomes -ve hence an elechic eo * fie E induced in -Conduchy from..J. to.K.... ~*~ berlences.. Gn -. elechic force Scanned by CamScanner Finally when «- a : eve = Nobe!- Nole 4- ; where By? ver Hand component of ‘€or _ @- Pet] ait ‘induced , across: ings, Of ‘an - aervop Gone co horijentoly i VRE _® The |: aetene 's metas down “or earls mag field then teekecea? “pot ify IE [ving are ty North-South then no 3k. Proof | of Favadau's law !~ Lot us -® __considgy a conducting red IK of Reng |. As mowihg._on_ Us track “4 pet “6 4 tat reBecd hy vee be B® fonsards fT 1 6-4 _ Wight | Boo induced _tuvvert! 4 Akers ep L LE a | ftom_| end KAn.J__there fore. rod @ ME __sTk_expertentes_a_ magnetic. = force F=#BQ towards Deft. Nor to mave-_the._ved with conshank shed tr an_adat iHoneQ._force._ a 2 is fo be abpQied towards._right hence, a ak: te move_.distance bx. Bt 2 +282 on BW = - SY B82 be =SAWN = - aot . ae hae tt, . Ak. tae te a : @==Bvk-——O | f i thange | Hough closed Bao in me be af oT . A = BAA = BR ae” as hs BR Od Scanned by CamScanner Ye SELP INDUCTION = st Corment th bre CO is changed , the f2ur Linked ‘with the coh, “ahsoy changes, Heke fore an_.inducecl. emf. . “jek ub , in the ect aha atn Induced... - euveent Flows... | trough: ak. besides. he hain. current. 1 (eer ing be aK Law): “such Qs 5 pheneminen 15's ___knolah. as -' $0 tien,’ , His: Inducect. erm fs _adsea eee | aera of SeAP Induction = "Net rmagrebe_{ten. Sed unl, ~4 pat to. torterk __ Neb ot Te it tN Pig ae - es NO es ANEs —_ ee ll ushers Lots known as _ Se Of SOF Uretuchion —_ oh. the “eelfcient- -of-—-Aett~ nes BP aol L- s~ humertcally 2 egal. to... the. _ 2m inducedt. the coi@ when vater6 of-chemge! eh ee te ttn. thea.
[email protected] uot m a a ¢ eer hadanee a Long Sobenold '- Let tbe Ihe “current “flsaing Pyraugh 4 Jong. sofenaid of Slenghy Rv having. N doteR number of fam of area, A hen megnebe freed at an ayls of ; Conk: —— B= dont = oMh _ _. fle. Lin keel uot each * hem fas. eran Ye Dennis feces NPa. . . ee a ____. ae A. | “be NAN Ro H L # ee “4 us a be the permeabifi “materioR A _Net!-O-In.- resistance - bores the . Calls ave ‘doubly coound . eg a = Oy the wheat stone's Bridge: exper mart Foe «a ey i proved Scanned by CamScanner Energy sored in eh Induck | @ growing current th an [inductor has to beer against} the’ atl (back) emf befere it _dttains ‘th fineR steady vetue . fis loork . brovideel by. lnettery #7 is stored as imagnelic wieniiel ener. in he Inducks, fF tnstantenessss emf nduceet ez -b SF | _ beer done...cgainsk. induced emf. gppe sedqy ——atypere fet debate 7 is) ; oucautt arrest “The ditectien of ‘of the se _eurrents tg Such ag cto ebbose the meHen > Of 7 - chan in magnelic foerx (Leng Law) of eday Current * The dambing efleck of eddg current Ty “Used tH -— ton Pa ke ther deel beet” >The col of MC is : __wound on Sight... metat..frame...hlhen . re and ..fvame.. “reheles i in Strong. mag field 5 the. eddy. currents Set up in he frame. as _.the__moFon....50.. that. the. . CaS. reburns . te jeero ers ~ © Iriduetion furnace i “rabidly changing Ral produce bye a. |hig the eddy. current. et up. In_the..mehad produce $0 much het. ae © Inducton Medar!- ther a. metaric aaa is pRaced in a a ihe. Fie. eddy. currents. are... Seka. th ik y try to reduces te _ _Rpeabicean Bsehioe. fea cyinder & Field hrerefere cyindey besins . cago. .restghe in, he direction of. ffl, This. is the principe. of 9 oy e echte. Brakes '- When a sheng Stqhonary, meq Fiekd ts Sudelen | _ abpiied _ to a. “rotating. drum _, the ma Current Set- Ub th he gq pray which _.. Ihe umation. of. dum, 88 Scanned by CamScanner
