Magnetic Circuit A material for good magnetic memory should have Low retentivity High permeability High retentivity Low hysteresis loss Low retentivity High permeability High retentivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is ___________Vs 50 500 70 20 50 500 70 20 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, low Low, high Low, low High, high High, low Low, high Low, low High, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 41.4 42.5 44.6 47.5 41.4 42.5 44.6 47.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistance Resistivity Conductivity Conductance Resistance Resistivity Conductivity Conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low retentivity High coercivity Low hysteresis loss Low coercivity Low retentivity High coercivity Low hysteresis loss Low coercivity ANSWER DOWNLOAD EXAMIANS APP
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