Magnetic Circuit Silicon steel is used in electrical machines because it has Low hysteresis loss Low coercivity High coercivity Low retentivity Low hysteresis loss Low coercivity High 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 None of the listed here Zero Small Large None of the listed here Zero Small Large ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Weber/sq. m Ampere turns Ampere turn/meter Weber Weber/sq. m Ampere turns 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 Less than one More than one More than 10 More than 100 Ωr 1000 Less than one More than one More than 10 More than 100 Ωr 1000 ANSWER DOWNLOAD EXAMIANS APP
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