Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Increases their cost of manufacture Produces fringing Lowers their power efficiency Leads to their increased weight Increases their cost of manufacture Produces fringing Lowers their power efficiency Leads to their increased weight ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase m.m.f. Increase the flux None of the listed here Prevent saturation Increase m.m.f. Increase the flux None of the listed here Prevent saturation ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, low High, low High, high Low, high Low, low High, low High, high Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Permeance Susceptibility Reluctivity Permeability Permeance Susceptibility Reluctivity Permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to It high retentivity Flux density lagging behind magnetizing force Rapid reversals of its magnetization Molecular friction It high retentivity Flux density lagging behind magnetizing force Rapid reversals of its magnetization Molecular friction ANSWER DOWNLOAD EXAMIANS APP
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