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 12 A/s 4 A/s 16 A/s 20 A/s 12 A/s 4 A/s 16 A/s 20 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla 300 N 100 N 1000 N 400 N 300 N 100 N 1000 N 400 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Flux density of the magnetic field Amount of flux linkages Amount of flux cut Rate of change of flux-linkages Flux density of the magnetic field Amount of flux linkages Amount of flux cut Rate of change of flux-linkages ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? All of the listed here Resistance Capacitance Inductance All of the listed here Resistance Capacitance Inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 500 ohms 5000 ohms 100 ohms 1000 ohms 500 ohms 5000 ohms 100 ohms 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Condenser Inductance Variable resistor Resistance Condenser Inductance Variable resistor Resistance ANSWER DOWNLOAD EXAMIANS APP
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