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 Which of the fpllowing inductor will have the least eddy current losses ? Laminated iron core Air core Powdered iron core Iron core Laminated iron core Air core Powdered iron core Iron core 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 3 mH 24 mH 28 mH 12 mH 3 mH 24 mH 28 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Quadrupled Halved Doubled Unaffected Quadrupled Halved Doubled Unaffected ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Zero inductance Unchanged inductance Reduced inductance Increased inductance Zero inductance Unchanged inductance Reduced inductance Increased inductance 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 10 H 12 H 6 H 9 H 10 H 12 H 6 H 9 H ANSWER DOWNLOAD EXAMIANS APP
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