Electromagnetic induction Which of the following inductor will have the least eddy current losses? Iron core Laminated iron core Air core Powdered iron core Iron core Laminated iron core Air core Powdered iron core 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 20 H 5 H 15 H 10 H 20 H 5 H 15 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be 48 mH 24 mH 6 mH 12 mH 48 mH 24 mH 6 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
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 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 12 H 10 H 9 H 6 H 12 H 10 H 9 H 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 be 48 mH 24 mH 12 mH 3 mH 48 mH 24 mH 12 mH 3 mH ANSWER DOWNLOAD EXAMIANS APP
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