Electromagnetic induction Higher the self-inductance of a coil, Lesser its weber-turns Greater the flux produced by it Lower the e.m.f. induced Longer the delay in establishing steady current through it Lesser its weber-turns Greater the flux produced by it Lower the e.m.f. induced Longer the delay in establishing steady current through it ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by Variation in voltage to the coil The resistance of magnetic path Change of number of turns of coil Variation in coil current Variation in voltage to the coil The resistance of magnetic path Change of number of turns of coil Variation in coil current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A moving magnetic field will produce the same effect as a conductor that is moving. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Laminated iron core Iron core Air core Powdered iron core Laminated iron core Iron core Air core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 12 mH 36 mH 6 mH 18 mH 12 mH 36 mH 6 mH 18 mH 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
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