HEAT+ENGINE+CYCLE+-+Department+of+Physics,+HKU：热机循环-香港大学物理系，.doc

HEATENGINECYCLE-DepartmentofPhysics,HKU:热机循环-香港大学物理系,Faraday'-2:Faraday'sLawofInductionDemonstrator:Universitynumber:Objective:TodemonstratevariouspropertiesofFaraday’sLawsuchas:'sLawandLenz'paredtothelossofamplitudeofthecoilpendulum..',icfieldisexaminedandanalyzedusingLenz''sLawofInduction,icfluxthroughacoilinducesanemfgivenbydF(1)E=-Ndt,,,,icfield(B)whichisconstantoverthearea(A)andF=B×dA=BAò,icfield,thereisanaverageemfgivenbyDB.(2)E=-NADtFaraday'sLawofInductionPage2of6Apparatus•1×PASCOScientificEM-8099InductionWand•1×PASCOScientificEM-•1×I-6503VoltageSensor•1×I-icFieldSensor•1×I-6538RotaryMotionSensor•1×PASCOScientificUSBinterface•puterinterface•1×largerodstand•MiscellaneouswiringsPartI:---.(Caution:;becarefuloftheplates’edgesandwatchoutyourfingers).:RodStandFigure2:TabsFigure3:PolePlatesFaraday'sLawofInductionPage3of64..Alignthewandfromside-to-