Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, low High, low High, high Low, high Low, low High, low High, high Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 41.4 42.5 47.5 44.6 41.4 42.5 47.5 44.6 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Ampere turns Ampere turn/meter Weber/sq. m Weber Ampere turns Ampere turn/meter Weber/sq. m ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase m.m.f. Increase the flux None of the listed here Prevent saturation Increase m.m.f. Increase the flux None of the listed here Prevent saturation ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have High permeability Low hysteresis loss Low retentivity High retentivity High permeability Low hysteresis loss Low retentivity High retentivity ANSWER DOWNLOAD EXAMIANS APP
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