Change in potential energy=qV

\(\displaystyle{V}={4.70}\cdot{10}^{{8}}\ {V}\)

\(\displaystyle{q}={1.6}\cdot{10}^{{-{19}}}={7.53}\cdot{10}^{{-{11}}}\ {J}\)

\(\displaystyle{V}={4.70}\cdot{10}^{{8}}\ {V}\)

\(\displaystyle{q}={1.6}\cdot{10}^{{-{19}}}={7.53}\cdot{10}^{{-{11}}}\ {J}\)