question_answer

In which of the following circuit is the current maximum just after the switch S is closed?

A) (i)                                

B) (ii)           

C) (iii)                               

D) Both (ii) and (iii)

Correct Answer: B

Solution :

At \[t= 0\] current through L is zero so it acts as open circuit. The given figures can be redrawn as follow. \[{{i}_{1}}= 0\]                        \[{{i}_{2}}= \frac{E}{R}\]                    \[{{i}_{3}}= \frac{E}{2R}\] \[Hence\,\,{{i}_{2}}>{{i}_{3}}>{{i}_{1}}.\]