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. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be 48 mH 24 mH 12 mH 6 mH 48 mH 24 mH 12 mH 6 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 12 V 10 V 25 V 15 V 12 V 10 V 25 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Series aiding inductance Mutual inductance Capacitance Self-inductance Series aiding inductance Mutual inductance Capacitance Self-inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 900 uH 1200 uH 600 uH 300 uH 900 uH 1200 uH 600 uH 300 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Powdered iron core Air core Iron core Laminated iron core Powdered iron core Air core Iron core Laminated iron core ANSWER DOWNLOAD EXAMIANS APP