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
Electromagnetic induction A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by The resistance of magnetic path Variation in voltage to the coil Change of number of turns of coil Variation in coil current The resistance of magnetic path Variation in voltage to the coil Change of number of turns of coil Variation in coil current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Newton Coulomb Faraday Lenz Newton Coulomb Faraday Lenz 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 400 N 300 N 1000 N 100 N 400 N 300 N 1000 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? All of the listed here Coulomb/volt ampere Volt second per ampere Hennry All of the listed here Coulomb/volt ampere Volt second per ampere Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 500 ohms 1000 ohms 5000 ohms 100 ohms 500 ohms 1000 ohms 5000 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
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