Magnetic Circuit The rate of rise of current through an inductive coil is maximum At 63.2% of its maximum steady value After one time constant Near the final maximum value of current At the start of the current flow At 63.2% of its maximum steady value After one time constant Near the final maximum value of current At the start of the current flow ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductance Conductivity Resistance Resistivity Conductance Conductivity Resistance Resistivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of 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 Time constant is halved Final steady current is doubled Time constant remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase the flux Prevent saturation Increase m.m.f. None of the listed here Increase the flux Prevent saturation Increase m.m.f. None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Volume of material Ambient temperature Steinmetz’s coefficient of material Frequency Volume of material Ambient temperature Steinmetz’s coefficient of material Frequency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is Meter/Henry 1/Henry Henry Henry/meter Meter/Henry 1/Henry Henry Henry/meter ANSWER DOWNLOAD EXAMIANS APP
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