Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, high High, low Low, low Low, high High, high High, low Low, low Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low retentivity Low hysteresis loss High retentivity High permeability Low retentivity Low hysteresis loss High retentivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Ampere/metre Weber Henry Ampere-turn/weber Ampere/metre Weber Henry Ampere-turn/weber 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 70 500 20 50 70 500 20 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Frequency Volume of material Steinmetz’s coefficient of material Ambient temperature Frequency Volume of material Steinmetz’s coefficient of material Ambient temperature ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to It high retentivity Rapid reversals of its magnetization Molecular friction Flux density lagging behind magnetizing force It high retentivity Rapid reversals of its magnetization Molecular friction Flux density lagging behind magnetizing force ANSWER DOWNLOAD EXAMIANS APP
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