Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Variable resistor Condenser Resistance Inductance Variable resistor Condenser Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 16 A/s 12 A/s 20 A/s 4 A/s 16 A/s 12 A/s 20 A/s 4 A/s 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 6 H 12 H 9 H 10 H 6 H 12 H 9 H 10 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ampere turns Ohm Hennry Weber/metre Ampere turns Ohm Hennry Weber/metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Both Hysteresis losses & Eddy current losses Eddy current losses None of the listed here Hysteresis losses Both Hysteresis losses & Eddy current losses Eddy current losses None of the listed here Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Laminated iron core Air core Iron core Powdered iron core Laminated iron core Air core Iron core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
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