Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase the flux Increase m.m.f. Prevent saturation None of the listed here Increase the flux Increase m.m.f. Prevent saturation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 44.6 41.4 42.5 47.5 44.6 41.4 42.5 47.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is 1/Henry Henry Meter/Henry Henry/meter 1/Henry Henry Meter/Henry Henry/meter ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber/sq. m Ampere turns Weber Ampere turn/meter Weber/sq. m Ampere turns Weber Ampere turn/meter ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because 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 It has good residual magnetism Its mechanical strength is low ANSWER DOWNLOAD EXAMIANS APP