A uniform electric field `E_0` is directed along positive y-driection. Find the
Channel: Doubtnut
Date: 26/07/2020

A uniform electric field `E_0` is directed along positive y-driection. Find the change in electric potential energy of a positive test charge `q_0` when it is displaced in this field from `y_i=a` to `y_f=2a` along the y-axis.