Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Hysteresis loss All of the listed here Eddy current loss Copper loss Hysteresis loss All of the listed here Eddy current loss Copper loss 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 Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, high Low, high Low, low High, low High, high Low, high Low, low High, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is Henry/meter Meter/Henry Henry 1/Henry Henry/meter Meter/Henry Henry 1/Henry 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 Time constant remains unchanged Initial rate of rise of current is doubled Final steady current is doubled Time constant is halved Time constant remains unchanged Initial rate of rise of current is doubled ANSWER DOWNLOAD EXAMIANS APP
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