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 None of the listed here Zero Large Small None of the listed here Zero Large Small 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 An air gap is usually inserted in magnetic circuits to Prevent saturation None of the listed here Increase the flux Increase m.m.f. Prevent saturation None of the listed here Increase the flux Increase m.m.f. ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 10 Less than one More than 100 Ωr 1000 More than one More than 10 Less than one More than 100 Ωr 1000 More than one ANSWER DOWNLOAD EXAMIANS APP
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