# GATE Papers >> ECE >> 2009 >> Question No 30

Question No. 30

The time domain behavior of an RL circuit is represented by

$L\frac{di}{dt}+Ri={V}_{o}\left(1+B{e}^{-Rt/L}\mathrm{sin}t\right)u\left(t\right)$.

For an initial current of $i\left(0\right)=\frac{{V}_{o}}{R}$, the steady state value of the  current is given by