Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Quadrupled Unaffected Doubled Halved Quadrupled Unaffected Doubled Halved 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 30 mH 36 mH 48 mH 38 mH 30 mH 36 mH 48 mH 38 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and high inductance Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance Zero resistance and high inductance Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance 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 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 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 12 H 10 H 9 H 6 H 12 H 10 H 9 H 6 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 5 H 20 H 15 H 10 H 5 H 20 H 15 H 10 H ANSWER DOWNLOAD EXAMIANS APP
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