Thepointofviewofthemagneticchargemotionalemfinducedemf
Keywords:magneticcharge,magneticmonopoles,dynamicemfinducedelectromotiveforce,thecurrentelement,magneticfield,of:ChineseWuXingGuang吴兴广
Motionalelectromotiveforceinducedemfnameisarelativeconcept,understandingofelectromagneticinductionprocessisdifferentindifferentinertialframes:(1)LetobserverAtogetherwiththemagnetmovestotheleft:thecoilfreeelectronrelativetothemagnetmovement,andbytheLorentzforce,asthereasonoftheinducedcurrentandtheinducedelectromotiveforceisgeneratedinthecoil.-Motionalemf.(2)LetobserverBtherelativecoilstill:thefreeelectronsinthestationarycoil,independentofthemagneticforce.Theinducedcurrentandinducedelectromotiveforceduetothemovementofthemagnet(changingmagneticfield)inthespaceproducinganinduced(vortex)electricfield,electricfieldforcetodrivethedirectionalmovementofthecoilinchargetocreateacurrent.-Inducedemf--------takenfromelectromagnetismSectionIImotionalemfinducedemf
?StraightwirelengthL,thecurrentI,thewiremovementchargenumbern,thecross-sectionalareaS,theamountofelectricchargeq,themovementspeedv,thenthethetheampereforceF=theILB=nFLuoLorentzforceFLuo=Fn=ILBnbecausetheI=NqSv(Nisthenumberofchargesperunitvolume),soFLuo=NqSvLBn=NSLnQvb,whereinn=theNSLFLuo=qvB.
AcurrentbytheforceF=IdL?B,infact,thecurrentelementisequivalentmagneticcharge,bytheforceofthemagneticchargeinamagneticfield,istheproductofthemagneticchargeandmagneticfieldstrength,likethechargebytheelectricforce.IdLmagneticcharge,qvisthemagneticcharge.Thereisnomagneticmonopolesintheusualsense.qvcan,canbedivided,dependingonthedirectionofmovementofthemagneticfieldthecounterclockwisedirectionwithamagneticfieldclockwise.
?FormulaF=IdL?B.IdLsaidmagneticcharge,Bthemagneticinduction.Thesignificanceoftheformulabytheforceofthemagneticchargeinamagneticfield.
FLos=qvBunderstoodas1)F=qv?B.Theqvexpressedmagneticcharge,Bthemagneticinduction.Themeaningoftheformulaisthemagneticchargeinamagneticfieldbytheforce,Fisthemagneticchargebytheforceofthemagneticfield;Atthispointwearestationarymagneticfield,theelectronrelativetothemagneticfieldsports.
2)F=q?vB.qrepresentscharge,E=vB,VBdenotesanelectricfieldstrength.Thesignificanceoftheformulaisthechargeinanelectricfieldbytheelectricforce.Thistimewithelectronicstationary,themagneticfieldrelativetothemovementofelectrons.InthiscaseE=Vbrepresentsthemovementofthemagneticfieldistheelectricfield.
TheF=IdLB=nqvB.CanbewrittenF=IDL?B=nqv?B.F=IdLB=NQ?VbNQsaidncharge,butalsocharge,nqcanbeunderstoodasthecharge.nqvunderstandingofofnmagneticcharge,themagneticcharge,nqvunderstandablemagneticcharge.
Thetwoformulastounderstandibid.
(Therefore,themovementofthechargeisthemagneticcharge;vortexelectricfieldisthatthemovementoftheelectricfieldisthemovementofthemagneticfield.Magneticfieldistheelectricfield;movementofthemovementofthemagneticfield,themagneticcharge,itshouldbesaidthemovementofthemagneticchargeequivalenttothecharge.Thevortexchargegeneration?movementofthemagneticchargeisnot,isthevortexcharge?)
?Soweareinareferencesystemappearstobetheobjectbythemagneticfieldforce,theelectricforceinanotherreferencesystemseemstobecome.Appearswhenthemagneticfieldinareferencesystem,itseemsistheelectricfieldinanotherreferencesystem.Appearswhentheelectricfield,themagneticfieldinanotherreferencesystemseemsinareferencesystem.
References:theElectromagneticsSectionIIMotionalEMFandinducedemf2]LinShancourseware"theroleofthemagneticfieldofthemovingchargeofANONYMOUS3]"themagneticeffectofcurrentreasons"ponyfishblog4]"CurrentelementisthemagneticchargeoftheWuxingwide360??personallibrary5fieldangledescribesthemovementofthemovingchargeinamagneticfield6"motionalemfinducedelectromotiveforce,andtherelationshipoflight"BaiduLibrary
2012-12-121:47:08
Theerrtranslation,seetheChineseoriginal.
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