Magnetic Circuit Hysteresis loss least depends on Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be Large Small None of the listed here Zero Large Small None of the listed here Zero 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 Time constant is halved Initial rate of rise of current is doubled Time constant remains unchanged Final steady current is doubled Time constant is halved Initial rate of rise of current is doubled Time constant remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Increase the flux Prevent saturation Increase m.m.f. None of the listed here Increase the flux Prevent saturation Increase m.m.f. ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Flux density lagging behind magnetizing force Molecular friction Rapid reversals of its magnetization It high retentivity Flux density lagging behind magnetizing force Molecular friction Rapid reversals of its magnetization It high retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Magneto-motive force Reluctance Reluctivity Permeance Magneto-motive force Reluctance Reluctivity Permeance ANSWER DOWNLOAD EXAMIANS APP