Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Reluctivity Magneto-motive force Reluctance Permeance Reluctivity Magneto-motive force Reluctance Permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Increase m.m.f. Increase the flux Prevent saturation None of the listed here Increase m.m.f. Increase the flux Prevent saturation ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant 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 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 Final steady current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Ampere turn/meter Ampere turns Weber/sq. m Weber Ampere turn/meter Ampere turns Weber/sq. m 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 None of the listed here Small Zero Large None of the listed here Small Zero ANSWER DOWNLOAD EXAMIANS APP
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