A coil of inductance $0.50\;H$ and resistance $100 \Omega$ is connected to a $240\;v,50\;Hz$ a.c supply What is the time lag between the voltage maximum and current maximum?

Question

$\begin{array}{1 1} 3.19 \times 10^3\;sec \\ 3.19 \times 10^{-3}\;sec \\ 3.19 \times 10^{-2}\;sec \\ 3.19 \times 10^2\;sec \end{array}$