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