Magnetic Circuit Silicon steel is used in electrical machines because it has Low coercivity Low retentivity High coercivity Low hysteresis loss Low coercivity Low retentivity High coercivity Low hysteresis loss 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 None of the listed here Small Large Zero None of the listed here Small Large ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber/sq. m Ampere turns Ampere turn/meter Weber Weber/sq. m Ampere turns Ampere turn/meter Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to 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. Prevent saturation 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
EXAMIANS