Electromagnetic induction Reversing the field or the current will reverse the force on the conductor. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 10 H 15 H 5 H 20 H 10 H 15 H 5 H 20 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 100 ohms 1000 ohms 500 ohms 5000 ohms 100 ohms 1000 ohms 500 ohms 5000 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 6 H 10 H 12 H 9 H 6 H 10 H 12 H 9 H 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 120 N 30 N 60 N 90 N 120 N 30 N 60 N 90 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Zero inductance Reduced inductance Unchanged inductance Increased inductance Zero inductance Reduced inductance Unchanged inductance Increased inductance ANSWER DOWNLOAD EXAMIANS APP
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