In an L-R circuit connected to a battery at which energy ius stored in the inducator is plotted against time during the growth of current in the ciruit Which of the following best represents the resulting curve?

Options

A.
B.
C.
D.

Answer

A

Explanation

`U = (1)/(2) Li^(2)`
Rate `= (dU)/(dt) = (Li)((di)/(dt))`
At `t = 0`, `i = 0`, `:. rate = 0`
at `t = oo`, `i = i_(0)` but
Therefore, rate `= 0`.