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 Capacitance Mutual inductance Series aiding inductance Self-inductance Capacitance Mutual inductance Series aiding inductance Self-inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Unchanged inductance Reduced inductance Zero inductance Increased inductance Unchanged inductance Reduced inductance Zero inductance Increased inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following 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
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 300 uH 900 uH 1200 uH 600 uH 300 uH 900 uH 1200 uH 600 uH 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 12 mH 6 mH 24 mH 48 mH 12 mH 6 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 4 A/s 12 A/s 16 A/s 20 A/s 4 A/s 12 A/s 16 A/s 20 A/s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS