Plot a graph showing variation of induced emf with the rate of change of current flowing through a inductor coil.

The figures SAQ 13(a) shows a bar magnet M falling under gravity through an air cored coil. Plot a graph showing variation of induced e.m.f. with time(t). What does the area encloed by E-t curve depict?

Draw a graph showing the variation of decay rate with number of active nuclei.

A conductor of length 'l' is rotated about one of its ends at a constant angular speed omega in a plane perpendicular to a uniform magnetic field B. plot graphs to show variations of the emf induced across the ends of the conductor with length of the conductor l.

Draw a plot showing the variation of electric field E

Plot a graph showing variation of activity of a given radioactive sample with time.

In a coil of self-induction 5 H, the rate of change of current is 2 A s^-1 . Then, e.m.f. induced in the coil is

Draw the graph showing the variation of reactance an inductor with the frequency of an a.c. circuit.