The current flowing through an inductor of self inductance L is continuously increasing . Plot a graph showing the variation of
(i) Magnetic flux vs the current
(ii) Induced emf vs. dI//dt
(iii) Magnetic potential energy stored vs. the current

(a) Describe a simple experiment (or activity) to show that the polarity of emf induced in a coil is always such that it tends to produce a current which opposes the change of magnetic flux that produces it. (b) The current flowing through an inductor of self inductance L is continuously increasing. Plot a graph showing the variation of (i) Magnetic flux versus the current (ii) Induced emf versus dI/Dt (iii) Magnetic potential energy stored versus the current.

The energy stored in an inductor of self inductance L carrying current l, is given by

The current through two inductors of self inductance 12 mH and 30 mH is increasing with time at the same rate. Draw graphs showing the variation of the (a ) e.m.f. induced with the rate of change of current in each inductor. (b) enargy stored in each inductor with the current flowing through it. Compare the energy stored in the coils if power dissipated in the coil is same.

The energy stored in an inductor of self-inductance L henry carrying a current of I ampere is

In an inductor of inductance L=100mH , a current of I=10A is flowing. The energy stored in the inductor is

In an inductor of inductance L=100mH , a current of I=10A is flowing. The energy stored in the inductor is

A current of 1 A through a coil of inductance of 200 mH is increasing at a rate of 0.5As^(-1) . The energy stored in the inductor per second is