Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Hysteresis loss Copper loss All of the listed here Eddy current loss Hysteresis loss Copper loss All of the listed here Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Time constant remains unchanged Final steady current is doubled Time constant is halved Initial rate of rise of current is doubled Time constant remains unchanged Final steady current is doubled Time constant is halved Initial rate of rise of current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be None of the listed here Small Zero Large None of the listed here Small Zero Large ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low hysteresis loss Low retentivity High permeability High retentivity Low hysteresis loss Low retentivity High permeability High retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is ___________Vs 500 50 70 20 500 50 70 20 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is 1/Henry Henry Henry/meter Meter/Henry 1/Henry Henry Henry/meter Meter/Henry ANSWER DOWNLOAD EXAMIANS APP
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