Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Iron core Air core Laminated iron core Powdered iron core Iron core Air core Laminated iron core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 100 ohms 5000 ohms 500 ohms 1000 ohms 100 ohms 5000 ohms 500 ohms 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance Zero resistance and high inductance Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance Zero resistance and high inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 12 mH 6 mH 18 mH 36 mH 12 mH 6 mH 18 mH 36 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Weber/metre Ampere turns Hennry Ohm Weber/metre Ampere turns Hennry Ohm 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 10 H 15 H 20 H 5 H 10 H 15 H 20 H ANSWER DOWNLOAD EXAMIANS APP
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