Magnetic Circuit Reciprocal of reluctance is Permeability Reluctivity Permeance Susceptibility Permeability Reluctivity Permeance Susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low retentivity Low hysteresis loss High retentivity High permeability Low retentivity Low hysteresis loss High retentivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Rapid reversals of its magnetization Flux density lagging behind magnetizing force It high retentivity Molecular friction Rapid reversals of its magnetization Flux density lagging behind magnetizing force It high retentivity Molecular friction ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Ambient temperature Frequency Volume of material Steinmetz’s coefficient of material Ambient temperature Frequency Volume of material Steinmetz’s coefficient of material ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Lowers their power efficiency Increases their cost of manufacture Produces fringing Leads to their increased weight Lowers their power efficiency Increases their cost of manufacture Produces fringing Leads to their increased weight ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Final steady current is doubled Initial rate of rise of current is doubled Time constant remains unchanged Time constant is halved Final steady current is doubled Initial rate of rise of current is doubled Time constant remains unchanged Time constant is halved ANSWER DOWNLOAD EXAMIANS APP
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