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 25 V 10 V 15 V 12 V 25 V 10 V 15 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 1.0 2.0 0.5 2.5 1.0 2.0 0.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
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 38 mH 48 mH 30 mH 36 mH 38 mH 48 mH 30 mH 36 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Air core Laminated iron core Powdered iron core Iron core Air core Laminated iron core Powdered iron core Iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Lenz's law is a consequence of the law of conservation of Induced e.m.f. Charge Induced current Energy Induced e.m.f. Charge Induced current Energy ANSWER DOWNLOAD EXAMIANS APP
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