Magnetic Circuit Silicon steel is used in electrical machines because it has Low hysteresis loss Low retentivity Low coercivity High coercivity Low hysteresis loss Low retentivity Low coercivity High coercivity 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 Small Large None of the listed here Zero Small Large None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Ampere turn/meter Weber/sq. m Ampere turns Weber Ampere turn/meter Weber/sq. m Ampere turns ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to 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 Increase the flux ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is Less than one More than one More than 10 More than 100 Ωr 1000 Less than one More than one More than 10 More than 100 Ωr 1000 ANSWER DOWNLOAD EXAMIANS APP
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