Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Resistance Inductance Condenser Variable resistor Resistance Inductance Condenser Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Self-inductance of two coils only Mutual inductance and self inductance of two coils Mutual inductance between two coils only None of the listed here Self-inductance of two coils only Mutual inductance and self inductance of two coils Mutual inductance between two coils only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Mutual inductance Capacitance Series aiding inductance Self-inductance Mutual inductance Capacitance Series aiding inductance Self-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 4 A/s 20 A/s 12 A/s 16 A/s 4 A/s 20 A/s 12 A/s 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 0.02 wb 2 wb 0.2 wb 20 wb 0.02 wb 2 wb 0.2 wb 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 48 mH 36 mH 38 mH 30 mH 48 mH 36 mH 38 mH ANSWER DOWNLOAD EXAMIANS APP
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