Electromagnetic induction An open coil has Zero resistance and inductance Zero resistance and high inductance Infinite resistance and zero inductance Infinite resistance and normal inductance Zero resistance and inductance Zero resistance and high inductance Infinite resistance and zero inductance Infinite resistance and normal inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is 3500 mH None of the listed here 250 mH 350 mH 3500 mH None of the listed here 250 mH 350 mH 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 5 H 20 H 15 H 10 H 5 H 20 H 15 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 Unaffected Quadrupled Doubled Halved Unaffected Quadrupled Doubled Halved ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ampere turns Weber/metre Hennry Ohm Ampere turns Weber/metre Hennry Ohm ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Hysteresis losses None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses Hysteresis losses None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
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