Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Air core Laminated iron core Powdered iron core Iron core Air core Laminated iron core Powdered iron core Iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Reduced inductance Zero inductance Increased inductance Unchanged inductance Reduced inductance Zero inductance Increased inductance Unchanged inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on Permeability of the core All of the listed here The number of their turns Cross-sectional area of their common core Permeability of the core All of the listed here The number of their turns Cross-sectional area of their common core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Produce current opposite to the increasing current Aid the applied voltage Tend to decrease the amount of current Aid the increasing current Produce current opposite to the increasing current Aid the applied voltage Tend to decrease the amount of current Aid the increasing current 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 120 N 30 N 90 N 60 N 120 N 30 N 90 N 60 N 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 10 H 9 H 6 H 12 H 10 H 9 H 6 H 12 H ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS