Electromagnetic induction The direction of induced e.m.f. can be found by Fleming's right hand rule Laplace's law Lenz's law Kirchhoff s voltage law Fleming's right hand rule Laplace's law Lenz's law Kirchhoff s voltage law 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 15 H 5 H 20 H 10 H 15 H 5 H 20 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Hennry Weber/metre Ampere turns Ohm Hennry Weber/metre Ampere turns 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 Series aiding inductance Mutual inductance Self-inductance Capacitance Series aiding inductance Mutual inductance Self-inductance Capacitance 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 Tend to decrease the amount of current Aid the applied voltage Aid the increasing current Produce current opposite to the increasing current Tend to decrease the amount of current Aid the applied voltage Aid the increasing current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Laminated iron core Air core Iron core Powdered iron core Laminated iron core Air core Iron core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP