Electromagnetic induction The direction of induced e.m.f. can be found by Kirchhoff s voltage law Fleming's right hand rule Lenz's law Laplace's law Kirchhoff s voltage law Fleming's right hand rule Lenz's law Laplace's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Flux density of the magnetic field Amount of flux linkages Rate of change of flux-linkages Amount of flux cut Flux density of the magnetic field Amount of flux linkages Rate of change of flux-linkages Amount of flux cut ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 12 mH 24 mH 3 mH 48 mH 12 mH 24 mH 3 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Self-inductance of two coils only Mutual inductance and self inductance of two coils None of the listed here Mutual inductance between two coils only Self-inductance of two coils only Mutual inductance and self inductance of two coils None of the listed here Mutual inductance between two coils only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.0 2.5 0.5 1.0 2.0 2.5 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Condenser Inductance Variable resistor Resistance Condenser Inductance Variable resistor Resistance ANSWER DOWNLOAD EXAMIANS APP
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