Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductivity Resistance Conductance Resistivity Conductivity Resistance Conductance Resistivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Copper loss All of the listed here Eddy current loss Hysteresis loss Copper loss All of the listed here Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low retentivity Low coercivity Low hysteresis loss High coercivity Low retentivity Low coercivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled 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 50 500 20 70 50 500 20 70 ANSWER DOWNLOAD EXAMIANS APP
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