Magnetic Circuit Hard steel is suitable for making permanent magnets because Its mechanical strength is high It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area Its mechanical strength is high It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area 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 After one time constant Near the final maximum value of current At 63.2% of its maximum steady value At the start of the current flow After one time constant Near the final maximum value of current At 63.2% of its maximum steady value ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low hysteresis loss High permeability High retentivity Low retentivity Low hysteresis loss High permeability High retentivity Low retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, high Low, high High, low Low, low High, high Low, high High, low Low, low ANSWER DOWNLOAD EXAMIANS APP
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