Electromagnetic induction Air-core coils are practically free from None of the listed here Eddy current losses Hysteresis losses Both Hysteresis losses & Eddy current losses None of the listed here Eddy current losses Hysteresis losses Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Unchanged inductance Reduced inductance Increased inductance Zero inductance Unchanged inductance Reduced inductance Increased inductance Zero inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Ampere turns Hennry Weber/metre Ohm Ampere turns Hennry Weber/metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is 20 wb 0.2 wb 0.02 wb 2 wb 20 wb 0.2 wb 0.02 wb 2 wb 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 350 mH 250 mH None of the listed here 3500 mH 350 mH 250 mH None of the listed here 3500 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Apparent power is zero Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Relative power is zero Apparent power is zero Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Relative power is zero ANSWER DOWNLOAD EXAMIANS APP
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