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 50 20 70 500 50 20 70 500 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Reluctance Reluctivity Permeance Magneto-motive force Reluctance Reluctivity Permeance Magneto-motive force ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature 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 None of the listed here Zero Large Small None of the listed here Zero Large Small ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area Its mechanical strength is high It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area Its mechanical strength is high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to 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 It high retentivity ANSWER DOWNLOAD EXAMIANS APP
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