Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Produce current opposite to the increasing current Aid the applied voltage Tend to decrease the amount of current Aid the increasing current Produce current opposite to the increasing current Aid the applied voltage Tend to decrease the amount of current Aid the increasing current 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 15 V 25 V 12 V 10 V 15 V 25 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Variable resistor Inductance Condenser Resistance Variable resistor Inductance Condenser Resistance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.1 s 0.5 s 0.2 s None of the listed here 0.1 s 0.5 s 0.2 s None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is 350 mH 250 mH 3500 mH None of the listed here 350 mH 250 mH 3500 mH None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 30 N 90 N 120 N 60 N 30 N 90 N 120 N 60 N ANSWER DOWNLOAD EXAMIANS APP
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