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 is halved Time constant remains unchanged Final steady current is doubled Initial rate of rise of current is doubled Time constant is halved Time constant remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Reluctivity Permeance Susceptibility Permeability Reluctivity Permeance Susceptibility Permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is ___________Vs 500 70 20 50 500 70 20 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Reluctance Magneto-motive force Reluctivity Permeance Reluctance Magneto-motive force Reluctivity Permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis Ferrites have high resistance None of the listed here Ferrites have low permeability Ferrites have high resistance Ferrites have high resistance None of the listed here Ferrites have low permeability Ferrites have high resistance 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