In Fig . `V_(0)` is the potential barrier across a p-n junction, when no battery is connected across the junction

Options

A. 1 and 3 both correspond to forward bias of junction
B. 3 corresponds to forward bias of junction and 1 corresponds to reverse bias of junction
C. 1 corresponds to forward bias and 3 corresponds to reverse bias of junction
D. 3 and 1 both correspond to reverse bias of junction

Answer

B

Explanation

When p-n junction is forward biased, it opposes the potential barrier across junction. When p-n junction is reverse biased, it supports the potential barrier junction, resulting increase in potential barrier across the junction.