Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of 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 Time constant is halved Final steady current is doubled Time constant remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis None of the listed here Ferrites have high resistance Ferrites have high resistance Ferrites have low permeability None of the listed here Ferrites have high resistance Ferrites have high resistance Ferrites have low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? Current E.M.F Conductivity Current density Current E.M.F Conductivity Current density ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have High permeability Low retentivity Low hysteresis loss High retentivity High permeability Low retentivity Low hysteresis loss 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 Permeance Reluctance Reluctivity Magneto-motive force Permeance Reluctance Reluctivity Magneto-motive force ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase m.m.f. Increase the flux Prevent saturation None of the listed here Increase m.m.f. Increase the flux Prevent saturation None of the listed here ANSWER DOWNLOAD EXAMIANS APP