Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low hysteresis loss Low retentivity Low coercivity High coercivity Low hysteresis loss Low retentivity Low 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 Large Zero Small None of the listed here Large Zero Small 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 Increase the flux Increase m.m.f. None of the listed here Prevent saturation Increase the flux Increase m.m.f. None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 100 Ωr 1000 Less than one More than one More than 10 More than 100 Ωr 1000 Less than one More than one More than 10 ANSWER DOWNLOAD EXAMIANS APP
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