Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Inductance Variable resistor Resistance Condenser Inductance Variable resistor Resistance Condenser 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 90 N 120 N 30 N 60 N 90 N 120 N 30 N 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 5 H 15 H 20 H 10 H 5 H 15 H 20 H 10 H 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 9 H 10 H 12 H 6 H 9 H 10 H 12 H 6 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Quadrupled Halved Unaffected Doubled Quadrupled Halved Unaffected Doubled ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will 24 mH 3 mH 12 mH 28 mH 24 mH 3 mH 12 mH 28 mH ANSWER DOWNLOAD EXAMIANS APP
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