Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to It high retentivity Molecular friction Rapid reversals of its magnetization Flux density lagging behind magnetizing force It high retentivity Molecular friction Rapid reversals of its magnetization Flux density lagging behind magnetizing force ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? Current Current density Conductivity E.M.F Current Current density Conductivity E.M.F ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low coercivity Low retentivity High coercivity Low hysteresis loss Low coercivity Low retentivity High coercivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is 1/Henry Henry/meter Meter/Henry Henry 1/Henry Henry/meter Meter/Henry Henry 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 When both the inductance and resistance of a coil are doubled the value of 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 Final steady current is doubled Time constant is halved ANSWER DOWNLOAD EXAMIANS APP