Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Iron core Powdered iron core Laminated iron core Air core Iron core Powdered iron core Laminated iron core Air core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Unchanged inductance Zero inductance Reduced inductance Increased inductance Unchanged inductance Zero inductance Reduced inductance Increased inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The polarity of the induced voltage can be determined by using the left-hand generator rule. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Lesser its weber-turns Longer the delay in establishing steady current through it Greater the flux produced by it Lower the e.m.f. induced Lesser its weber-turns Longer the delay in establishing steady current through it Greater the flux produced by it Lower the e.m.f. induced ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. No Yes No Yes 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 9 H 12 H 6 H 10 H 9 H 12 H ANSWER DOWNLOAD EXAMIANS APP