Magnetic Circuit A material for good magnetic memory should have Low retentivity High retentivity High permeability Low hysteresis loss Low retentivity High retentivity High permeability Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to It high retentivity Flux density lagging behind magnetizing force Rapid reversals of its magnetization Molecular friction It high retentivity Flux density lagging behind magnetizing force Rapid reversals of its magnetization Molecular friction 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 70 20 50 500 70 20 50 500 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is Henry Henry/meter 1/Henry Meter/Henry Henry Henry/meter 1/Henry Meter/Henry ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low hysteresis loss Low coercivity Low retentivity High coercivity Low hysteresis loss Low coercivity Low retentivity ANSWER DOWNLOAD EXAMIANS APP
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