Magnetic Circuit Hard steel is suitable for making permanent magnets because Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism 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 It high retentivity Flux density lagging behind magnetizing force Molecular friction Rapid reversals of its magnetization It high retentivity Flux density lagging behind magnetizing force 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 If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be Large Small Zero None of the listed here Large Small Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase the flux Prevent saturation None of the listed here Increase m.m.f. Increase the flux Prevent saturation None of the listed here Increase m.m.f. ANSWER DOWNLOAD EXAMIANS APP
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