Magnetic Circuit Ferrites have high hysteresis None of the listed here Ferrites have low permeability Ferrites have high resistance Ferrites have high resistance None of the listed here Ferrites have low permeability Ferrites have high resistance Ferrites have high resistance 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 Large Zero None of the listed here Small Large Zero None of the listed here Small 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 20 50 70 500 20 50 70 500 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 It high retentivity Rapid reversals of its magnetization Flux density lagging behind magnetizing force Molecular friction It high retentivity Rapid reversals of its magnetization ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material 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 Near the final maximum value of current After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant At 63.2% of its maximum steady value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS