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 Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 20 H 10 H 5 H 15 H 20 H 10 H 5 H 15 H 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 increasing current Aid the applied voltage Tend to decrease the amount of current Produce current opposite to the increasing current Aid the increasing current Aid the applied voltage Tend to decrease the amount of current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and high inductance Infinite resistance and zero inductance Zero resistance and inductance Infinite resistance and normal inductance Zero resistance and high inductance Infinite resistance and zero inductance Zero resistance and inductance Infinite resistance and normal inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Mutual inductance Series aiding inductance Self-inductance Capacitance Mutual inductance Series aiding inductance Self-inductance Capacitance ANSWER DOWNLOAD EXAMIANS APP