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 70 20 500 50 70 20 500 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Henry Weber Ampere/metre Ampere-turn/weber Henry Weber Ampere/metre Ampere-turn/weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of 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 Time constant is halved Initial rate of rise of current is doubled Final steady current is doubled 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 Current density E.M.F Conductivity Current Current density E.M.F Conductivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Prevent saturation None of the listed here Increase the flux Increase m.m.f. Prevent saturation None of the listed here Increase the flux Increase m.m.f. ANSWER DOWNLOAD EXAMIANS APP
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