Magnetic Circuit The relative permeability of a ferromagnetic material is More than 100 Ωr 1000 Less than one More than 10 More than one More than 100 Ωr 1000 Less than one More than 10 More than one 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 After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, high High, high High, low Low, low Low, high High, high High, low Low, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Permeability Resistivity Retentivity Inductance Permeability Resistivity Retentivity Inductance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 42.5 44.6 47.5 41.4 42.5 44.6 47.5 41.4 ANSWER DOWNLOAD EXAMIANS APP
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