Magnetic Circuit Hard steel is suitable for making permanent magnets because It has good residual magnetism Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis None of the listed here Ferrites have high resistance Ferrites have high resistance Ferrites have low permeability None of the listed here Ferrites have high resistance Ferrites have high resistance Ferrites have low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, low High, low Low, high High, high Low, low High, low Low, high High, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have High retentivity Low hysteresis loss Low retentivity High permeability High retentivity Low hysteresis loss Low retentivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum At the start of the current flow Near the final maximum value of current At 63.2% of its maximum steady value After one time constant At the start of the current flow Near the final maximum value of current At 63.2% of its maximum steady value After one time constant 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 Small Zero None of the listed here Large Small Zero None of the listed here Large ANSWER DOWNLOAD EXAMIANS APP
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