ElectroMagnetic InductionHard
Question
In a coil of self inductance of 5henry, the rate of change of current is 2 ampere per second, the e.m.f. induced in the coil is :
Options
A.5 V
B.-5 V
C.-10 V
D.10 V
More ElectroMagnetic Induction Questions
Two inductors L1 and L2 are connected in parallel and a time varying current i flows as shown. The ratio of currents i1/...The number of turns in the primary and secondary of transformer are Np and Ns respectively. The resistance of the second...On passing 2 amp. current in a coil of 50 mH. The energy stored in it is:-...The self inductance of the motor of an electric fan is 10 H. In order to impart maximum power at 50 Hz, it should be con...Consider a metal ring kept on a horizontal plane. A bar magnet is held above the ring with its length along the axis of ...
= −5 × 2 = - 10 V