Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase the flux Prevent saturation Increase m.m.f. None of the listed here Increase the flux Prevent saturation Increase m.m.f. None of the listed here 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 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 50 20 70 500 50 20 70 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 41.4 47.5 42.5 44.6 41.4 47.5 42.5 44.6 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 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
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