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 12 mH 48 mH 6 mH 24 mH 12 mH 48 mH 6 mH 24 mH 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 6 mH 36 mH 18 mH 12 mH 6 mH 36 mH 18 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A moving magnetic field will produce the same effect as a conductor that is moving. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Eddy current losses 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 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Variable resistor Resistance Condenser Inductance Variable resistor Resistance Condenser Inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS