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