Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Tend to decrease the amount of current Aid the applied voltage Produce current opposite to the increasing current Aid the increasing current Tend to decrease the amount of current Aid the applied voltage Produce current opposite to the increasing current Aid the increasing current 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 3 mH 24 mH 12 mH 48 mH 3 mH 24 mH 12 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on Cross-sectional area of their common core All of the listed here Permeability of the core The number of their turns Cross-sectional area of their common core All of the listed here Permeability of the core The number of their turns ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 9 H 6 H 10 H 12 H 9 H 6 H 10 H 12 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Amount of flux cut Rate of change of flux-linkages Amount of flux linkages Flux density of the magnetic field Amount of flux cut Rate of change of flux-linkages Amount of flux linkages Flux density of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
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