Magnetic Circuit A material for good magnetic memory should have High permeability Low hysteresis loss High retentivity Low retentivity High permeability Low hysteresis loss High retentivity Low retentivity 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 500 70 20 50 500 70 20 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Ampere turn/meter Weber/sq. m Ampere turns Weber Ampere turn/meter Weber/sq. m Ampere turns Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be Small None of the listed here Zero Large Small None of the listed here Zero Large ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum At the start of the current flow After one time constant At 63.2% of its maximum steady value Near the final maximum value of current At the start of the current flow After one time constant At 63.2% of its maximum steady value Near the final maximum value of current ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Flux density lagging behind magnetizing force Molecular friction Rapid reversals of its magnetization It high retentivity Flux density lagging behind magnetizing force Molecular friction Rapid reversals of its magnetization It high retentivity ANSWER DOWNLOAD EXAMIANS APP
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