Electromagnetic induction A crack in the magnetic path of an inductor will result in Zero inductance Reduced inductance Increased inductance Unchanged inductance Zero inductance Reduced inductance Increased inductance Unchanged inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 1000 ohms 500 ohms 5000 ohms 100 ohms 1000 ohms 500 ohms 5000 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.5 2.0 1.0 0.5 2.5 2.0 1.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla 400 N 1000 N 300 N 100 N 400 N 1000 N 300 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 60 N 30 N 120 N 90 N 60 N 30 N 120 N 90 N ANSWER DOWNLOAD EXAMIANS APP