Q. 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
A) Zero
B) $\frac{E}{R}$
C) $\frac{E}{L}$
D) $\frac{E}{\sqrt{L^{2} + R^{2}}}$
Explanation
The correct answer is Option B: $\frac{E}{R}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.