Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.1 s 0.2 s 0.5 s None of the listed here 0.1 s 0.2 s 0.5 s None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 600 uH 900 uH 300 uH 1200 uH 600 uH 900 uH 300 uH 1200 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Apparent power is zero Actual power of the circuit is zero Relative power is zero Any capacitance even if present in the circuit will not be charged Apparent power is zero Actual power of the circuit is zero Relative power is zero Any capacitance even if present in the circuit will not be charged ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Greater the flux produced by it Longer the delay in establishing steady current through it Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it Lower the e.m.f. induced Lesser its weber-turns ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Capacitance Self-inductance Series aiding inductance Mutual inductance Capacitance Self-inductance Series aiding inductance Mutual inductance 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 Doubled Unaffected Quadrupled Halved Doubled Unaffected Quadrupled Halved ANSWER DOWNLOAD EXAMIANS APP
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