Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Produces fringing Lowers their power efficiency Increases their cost of manufacture Leads to their increased weight Produces fringing Lowers their power efficiency Increases their cost of manufacture 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 Time constant is halved Initial rate of rise of current is doubled Final steady current is doubled Time constant remains unchanged Time constant is halved Initial rate of rise of current is doubled Final steady current is doubled Time constant remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 44.6 42.5 41.4 47.5 44.6 42.5 41.4 47.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Permeance Susceptibility Permeability Reluctivity Permeance Susceptibility Permeability Reluctivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to It high retentivity Rapid reversals of its magnetization Flux density lagging behind magnetizing force Molecular friction It high retentivity Rapid reversals of its magnetization Flux density lagging behind magnetizing force Molecular friction ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Ampere/metre Ampere-turn/weber Henry Weber Ampere/metre Ampere-turn/weber Henry Weber ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS