question_answer

An L-R circuit has a cell of e.m.f. E, which is switched on at time t = 0. The current in the circuit after a long time will be [MP PET 2003]

A)            Zero                                         

B)            \[\frac{E}{R}\]

C)            \[\frac{E}{L}\]                      

D)            \[\frac{E}{\sqrt{{{L}^{2}}+{{R}^{2}}}}\]