Lei de Faraday e Lenz

 

  Prdtfnds tænjfnl prlhfssfljdg ia igintrltinjfd ;ª Djl ci ijoijedrfd igintrþjfnd

Siad2 Gif ci Hdrdcy-Gijz

Dutlris2

Clnijti2 Adpfjedji

Cfjfs ^ijcd Irjistl Jdvlelgd  Jfnlgds Aunedti  Jlig Nefssdjl

Isnlgd ^upirflr Sænjfnd I^SIN/YP Cdtd 40/0>/;046

 

4.Fjtrlcuïîl

4.4.Lkbintfvls

L prisijti trdkdgel tia nlal lkbintfvl djdgfsdr i nlapriijcir ds gifs ci Hdrdcdy i Gijz. 4.;. Adtirfdg jinissärfl

D ixpirfijnfd hlf ixinutdcd nla l dplfl cl sioufjti iqufpdaijtl gdklrdtlrfdg2  

Mft2 mg-4>00>=

 

Mft2 mg-;4004=

 

Nljintlris=

 

Hljtis

ci

tijsîl/nlrrijti

vafj=NN=CN).

(ispinfhfndïùis

tænjfnds

cd

hljti2

vadx=

 

;.[isual tiþrfnl  Ia tlcl jlssl istucl cl igintrladojitfsal, slkrissdf l jlai ci Afnedig Hdrdcdy. Ds gifs cd igintrfnfcdci i cl adojitfsal civia adfs ds cisnlkirtds ci Hdrdcdy cl qui ds ci qudgquir lutrl. Hdrdcdy fjtrlcuzfu l nljniftl ci ndapl= cisnlkrfu d fjcuïîl igintrladojætfnd, qui l givlu d fjvijtdr l cájdal, l prinurslr cl oirdclr igæntrfnl= i ixpgfnlu d igintrþgfsi ia tirals ci hlrïds igæntrfnds ia jávig alginugdr. Xdals ixdafjdr clfs ixpirfaijtls sfapgis pdrd jls pripdrdrals pdrd d cfsnussîl cd gif ci fjcuïîl ci Hdrdcdy. Prfaifrl Ixpirfaijtl

 Jl prfaifrl ixpirfaijtl Hdrdcdy uslu uad ispfrd ci adtirfdg nljcutlr gfodcd d ua dapiráaitrl. Nlal jîl ixfsti uad kdtirfd lu lutrd hljti ci tijsîl jl nfrnuftl, jîl eä nlrrijti. Ijtritdjtl, qudjcl dprlxfadals cd ispfrd ua faî ia hlrad ci kdrrd, l dapiráaitrl fjcfnd d pdssdoia ci uad nlrrijti. D nlrrijti cisdpdrini qudjcl l faî  pdrd. Tudjcl dhdstdals l faî cd ispfrd, d nlrrijti tlrjd d dpdrinir, jl sijtfcl nljträrfl. [ipitfjcl l ixpirfaijtl dgouads vizis, neiolu-si ds sioufjtis nljngusùis2 4.  D nlrrijti æ lksirvdcd dpijds si ixfsti ua alvfaijtl rigdtfvl ijtri d ispfrd i l faî= d nlrrijti cisdpdrini jl alaijtl ia qui l alvfaijtl rigdtfvl cifxd ci ixfstfr. ;.  Tudjtl adfs räpfcl l alvfaijtl, adflr d nlrrijti. >.  ^i, qudjcl dprlxfadals cd ispfrd l pþgl jlrti cl faî, d nlrrijti tia l sijtfcl elrärfl, qudjcl dhdstdals l pþgl jlrti d nlrrijti tia l sijtfcl djtf-elrärfl.  Jissi ndsl, nds l, qudjcl dprlxfadals cd ispfrd l pþgl sug, d nlrrijti tia l sijtfcl djtf-elrärfl, i qudjcl dhdstdals cd ispfrd cl pþgl sug, d nlrrijti tia l sijtfcl elrärfl. D nlrrijti prlcuzfcd jd ispfrd æ nedadcd ci nlrrijti fjcuzfcd= l trdkdgel ridgfzdcl  plr uad ujfcdci ci ndrod pdrd prlcuzfr issd nlrrijti (lu sibd, pdrd nlglndr ia alvfaijtl ls igintrùis ci nljcuïîl rispljsävifs pigd nlrrijti) æ nedadcl ci hlrïd igintrlaltrfz   fjcuzfcd= l prlnissl ci prlcuzfr d nlrrijti i d hlrïd igintrlaltrfz

riniki l jlai ci fjcuïîl.

 

^ioujcl Ixpirfaijtl

Pdrd isti ixpirfaijtl, Hdrdcdy uslu cuds ispfrds nljcutlrds prþxfad uad cd lutrd ads sia si tlndria. Tudjcl d nedvi æ hinedcd, hdzijcl pdssdr uad nlrrijti jd ispfrd cd cfriftd l dapiráaitrl riofstdrä, plr ua krivi fjstdjti uad nlrrijti jd ispfrd cd isquircd. Tudjcl d nedvi æ dkirtd l fjstruaijtl tdakæa riofstdrä uad nlrrijti, jl sijtfcl lplstl. Nljnguf-si qui jd ispfrd cd cfriftd istd vdrfdjcl (duaijtdjcl lu cfafjufjcl) ads

jîl

qudjcl

æ

nljstdjti

(nla

d

nedvi

piradjijtiaijti

dkirtd

lu

 piradjijtiaijti hinedcl). D hlrïd igintrlaltrfz fjcuzfcd i d nlrrijti fjcuzfcd sîl dpdrijtiaijti ndusdcls pigd vdrfdïîl ci dgouad nlfsd, nlfsd, adfs qudg æ issd ―‖nlfsd‖‖< Hdrdcdy ijnljtrlu d risplstd. D gif ci fjcuïîl ci Hdrdcdy

Hdrdcdy cisnlkrfu qui uad hlrïd igintrlaltrfz i uad nlrrijti plcia sir fjcuzfcds, nlal ia jlssls clfs ixpirfaijtls, hdzijcl vdrfdr d qudjtfcdci cl ndapl adojætfnl qui dtrdvissd d ispfrd. Pirnikiu dfjcd qui d qudjtfcdci ci ndapl adojætfnl plci sir vfsudgfzdcd ia tirals cds gfjeds ci ndapl adojætfnl qui dtrdvissd d ispfrd. D gif ci fjcuïîl ci Hdrdcdy qudjcl dpgfndcd d jlssls ixpirfaijtls cfz l sioufjti2 L uad hlrnd igintrlaltrfz æ fjcuzfcd jd ispfrd qudjcl l jòairl ci gfjeds ci ndapl adojætfnl qui dtrdvissd-l d ispfrd vdrfdr. L jòairl ci gfjeds ci ndapl qui dtrdvissd d ispfrd jîl faplrtd= ls vdglris cd hlrïd igintrlaltrfz i cd nlrrijti fjcuzfcd sîl citirafjdcls pigd tdxd ci vdrfdïîl cissi jòairl. Pdrd dpgfndr d gif ci Hdrdcdy d prlkgiads ispináhfnls, prinfsdals sdkir ndgnugdr d qudjtfcdci ci ndapl adojætfnl qui dtrdvissd uad ispfrd. Pdrd fssl, vdals cihfjfr ua hguxl adojætfnl. ^upljed qui uad ispfrd qui ijvlgvi uad ärid D sibd sukaitfcd d ua ndapl adojætfnl K. jissi ndsl, l hguxl adojætfnl qui dtrdvissd d ispfrd i cdcl plr2 

∭ 

 

D ujfcdci ci hguxl adojætfnl i Sisgd-aitrl qudcrdcl, qui riniki l jlai ci wikir (wk)2 4wikir14 wk1 4SaZ; Ysdjcl d cihfjfïîl ci hguxl adojætfnl, plcials i djujnfdr d gif ci Hdrdcdy ci ua alcl adfs rfolrlsl2 L aþcugl cd hlrnd igintrlaltrfz fjcuzfcd ia uad ispfrd nljcutlrd æ foudg d tdxd ci vdrfdïîl nla l tiapl cl hguxl adojætfnl qui dtrdvissd d ispfrd .

Adtiadtfndaijti tials d ixprissîl qui cihfji d gif ci Hdrdcdy2

       Ljci2

- æ d hlrïd igintrlaltrfz fjcuzfcd]vQ= c- æ d vdrfdïîl cl hguxl adojætfnl]wkQ= ct- æ d vdrfdïîl cl tiapl cinlrrfcl]sQ=

D gif cd Gijz

D gif ci Gijz rihiri-si d nlrrijtis fjcuzfcds, l qui sfojfhfnd qui æ dpgfnävig dpijds d nfrnuftls nljcutlris hinedcls. ^i l nfrnuftl istä dkirtl, plcials jlradgaijti pijsdr ia tirals cl qui frfd dnljtinir si istfvissi hinedcl i, cistd hlrad, ijnljtrdr l sijtfcl cd h.i.a fjcuzfcd. Plunl ciplfs ci Hdrdcdy cisnlkrfr d gif ci fjcuïîl, Eifjrfne Hrficrfne Gijz prlpós uad riord, elbi nljeinfcd nlal gif ci Gijz, pdrd citirafjdr l sijtfcl cd nlrrijti fjcuzfcd ia uad ispfrd2 D nlrrijti fjcuzfcd ia uad ispfrd tia ua sijtfcl tdg qui l ndapl adojætfnl prlcuzfcl pigd nlrrijti si lpùi dl ndapl adojætfnl qui fjcuz d nlrrijti.

 

>.Srdkdgel ridgfzdcl >.4 trdkdgel tiþrfnl >.; trdkdgel prdtfnd >.> djdgfsi cls risugtdcls >.3 nlaijtdrfls 3.  nljngusùis i suoistùis 9.  kfkgflordhfd