Electromagnetic induction The direction of induced e.m.f. can be found by Laplace's law Fleming's right hand rule Kirchhoff s voltage law Lenz's law Laplace's law Fleming's right hand rule Kirchhoff s voltage law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Laminated iron core Powdered iron core Air core Iron core Laminated iron core Powdered iron core Air core Iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 900 uH 300 uH 1200 uH 600 uH 900 uH 300 uH 1200 uH 600 uH ANSWER DOWNLOAD EXAMIANS APP
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 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
Electromagnetic induction An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 4 A/s 12 A/s 20 A/s 16 A/s 4 A/s 12 A/s 20 A/s 16 A/s ANSWER DOWNLOAD EXAMIANS APP
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