Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 42.5 41.4 44.6 47.5 42.5 41.4 44.6 47.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because It has good residual magnetism Its mechanical strength is low Its mechanical strength is high Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is low Its mechanical strength is high Its hysteresis loop has large area ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, low Low, low High, high Low, high High, low Low, low High, high Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low retentivity Low coercivity High coercivity Low hysteresis loss Low retentivity Low coercivity 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 Large Small None of the listed here Zero Large Small None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
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