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 As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it Lies perpendicular to the magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies perpendicular to the magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field Cuts magnetic flux 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 38 mH 36 mH 48 mH 30 mH 38 mH 36 mH 48 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 12 H 6 H 10 H 9 H 12 H 6 H 10 H 9 H ANSWER DOWNLOAD EXAMIANS APP
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? None of the listed here 0.5 s 0.2 s 0.1 s None of the listed here 0.5 s 0.2 s 0.1 s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and inductance Infinite resistance and zero inductance Infinite resistance and normal inductance Zero resistance and high inductance Zero resistance and inductance Infinite resistance and zero inductance Infinite resistance and normal inductance Zero resistance and high inductance ANSWER DOWNLOAD EXAMIANS APP
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