Electromagnetic induction Higher the self-inductance of a coil, Longer the delay in establishing steady current through it Greater the flux produced by it Lesser its weber-turns Lower the e.m.f. induced Longer the delay in establishing steady current through it Greater the flux produced by it Lesser its weber-turns Lower the e.m.f. induced 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 12 V 15 V 25 V 10 V 12 V 15 V 25 V 10 V 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 Lenz's law is a consequence of the law of conservation of Induced e.m.f. Energy Charge Induced current Induced e.m.f. Energy Charge Induced current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from None of the listed here Hysteresis losses Both Hysteresis losses & Eddy current losses Eddy current losses None of the listed here Hysteresis losses Both Hysteresis losses & Eddy current losses Eddy current losses 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 6 mH 48 mH 12 mH 24 mH 6 mH 48 mH 12 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP