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 Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, low High, high Low, low Low, high High, low High, high Low, low Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis Ferrites have high resistance Ferrites have low permeability Ferrites have high resistance None of the listed here Ferrites have high resistance Ferrites have low permeability Ferrites have high resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low hysteresis loss Low coercivity Low retentivity High coercivity Low hysteresis loss Low coercivity Low retentivity High coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 42.5 41.4 47.5 44.6 42.5 41.4 47.5 44.6 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Henry Weber Ampere/metre Ampere-turn/weber Henry Weber Ampere/metre Ampere-turn/weber ANSWER DOWNLOAD EXAMIANS APP
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