Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Air core Iron core Powdered iron core Laminated iron core Air core Iron core Powdered iron core Laminated iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Longer the delay in establishing steady current through it Lesser its weber-turns Lower the e.m.f. induced Greater the flux produced by it Longer the delay in establishing steady current through it Lesser its weber-turns Lower the e.m.f. induced Greater the flux produced by it ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is 3500 mH 350 mH None of the listed here 250 mH 3500 mH 350 mH None of the listed here 250 mH 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 10 H 6 H 12 H 9 H 10 H 6 H 12 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 500 ohms 5000 ohms 1000 ohms 100 ohms 500 ohms 5000 ohms 1000 ohms 100 ohms 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 48 mH 36 mH 30 mH 38 mH 48 mH 36 mH 30 mH 38 mH ANSWER DOWNLOAD EXAMIANS APP
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