Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 5000 ohms 500 ohms 1000 ohms 100 ohms 5000 ohms 500 ohms 1000 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 1.0 2.5 2.0 0.5 1.0 2.5 2.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Any capacitance even if present in the circuit will not be charged Relative power is zero Apparent power is zero Actual power of the circuit is zero Any capacitance even if present in the circuit will not be charged Relative power is zero Apparent power is zero Actual power of the circuit is zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Hennry Weber/metre Ampere turns Ohm Hennry Weber/metre Ampere turns Ohm 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 250 mH None of the listed here 3500 mH 350 mH 250 mH None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor 2 meters long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be 10 V 12 V 25 V 15 V 10 V 12 V 25 V 15 V ANSWER DOWNLOAD EXAMIANS APP