Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Laminated iron core Iron core Powdered iron core Air core Laminated iron core Iron core Powdered iron core Air core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Amount of flux cut Amount of flux linkages Rate of change of flux-linkages Flux density of the magnetic field Amount of flux cut Amount of flux linkages Rate of change of flux-linkages Flux density of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 36 mH 48 mH 30 mH 38 mH 36 mH 48 mH 30 mH 38 mH 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 16 A/s 20 A/s 12 A/s 4 A/s 16 A/s 20 A/s 12 A/s 4 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and inductance Infinite resistance and normal inductance Zero resistance and high inductance Infinite resistance and zero inductance Zero resistance and inductance Infinite resistance and normal inductance Zero resistance and high inductance Infinite resistance and zero inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Ampere turns Weber/metre Hennry Ohm Ampere turns Weber/metre Hennry ANSWER DOWNLOAD EXAMIANS APP
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