Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 47.5 44.6 42.5 41.4 47.5 44.6 42.5 41.4 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase m.m.f. Prevent saturation None of the listed here Increase the flux Increase m.m.f. Prevent saturation None of the listed here Increase the flux ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Hysteresis loss All of the listed here Copper loss Eddy current loss Hysteresis loss All of the listed here Copper loss Eddy current loss 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 50 70 20 500 50 70 20 500 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of 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 Time constant remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Permeability Susceptibility Reluctivity Permeance Permeability Susceptibility Reluctivity Permeance ANSWER DOWNLOAD EXAMIANS APP
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