Electromagnetic induction Which of the following is unit of inductance? Weber/metre Ohm Ampere turns Hennry Weber/metre Ohm Ampere turns Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? 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 Apparent power is zero Any capacitance even if present in the circuit will not be charged ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 12 mH 6 mH 18 mH 36 mH 12 mH 6 mH 18 mH 36 mH 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 2 wb 0.02 wb 20 wb 0.2 wb 2 wb 0.02 wb 20 wb 0.2 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 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 The magnitude of the induced e.m.f. in a conductor depends on the 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 Flux density of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
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