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 A material for good magnetic memory should have High retentivity High permeability Low hysteresis loss Low retentivity High retentivity High permeability Low hysteresis loss Low retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Ampere-turn/weber Ampere/metre Weber Henry Ampere-turn/weber Ampere/metre Weber Henry 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 20 70 50 500 20 70 50 500 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Eddy current loss All of the listed here Hysteresis loss Copper loss Eddy current loss All of the listed here Hysteresis loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Retentivity Inductance Permeability Resistivity Retentivity Inductance Permeability Resistivity ANSWER DOWNLOAD EXAMIANS APP
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