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 48 mH 30 mH 38 mH 36 mH 48 mH 30 mH 38 mH 36 mH 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 15 V 10 V 12 V 25 V 15 V 10 V 12 V 25 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. Yes No Yes No 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 250 mH 350 mH None of the listed here 3500 mH 250 mH 350 mH None of the listed here 3500 mH 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 100 N 1000 N 300 N 400 N 100 N 1000 N 300 N 400 N ANSWER DOWNLOAD EXAMIANS APP
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