Depletion layer consists of

The current $\left(I\right)$ in the circuit will be

The inverse saturation current in a P-N junction diode at $27°\mathrm{C}$ is ${10}^{-5} \mathrm{A}$. The value of forwarding current at $0.2 \mathrm{V}$ will be  $\left({\mathrm{e}}^{7.62}=2038.6\right)$