Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? Resistance Inductance All of the listed here Capacitance Resistance Inductance All of the listed here Capacitance 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 0.02 wb 2 wb 20 wb 0.2 wb 0.02 wb 2 wb 20 wb 0.2 wb 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 15 V 25 V 10 V 12 V 15 V 25 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 900 uH 1200 uH 600 uH 300 uH 900 uH 1200 uH 600 uH 300 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Both Hysteresis losses & Eddy current losses Hysteresis losses Eddy current losses None of the listed here Both Hysteresis losses & Eddy current losses Hysteresis losses Eddy current losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 5000 ohms 1000 ohms 500 ohms 100 ohms 5000 ohms 1000 ohms 500 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
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