# Relationship between energy and electrical charge?

by Jhenrique
Tags: emc²
 Sci Advisor P: 2,853 Certainly, see: http://en.wikipedia.org/wiki/Electri...electric_field http://en.wikipedia.org/wiki/Electric_potential The energy of a spherical distribution of charge Q with radius R can be calculated quite easily as: $$E=\frac{3}{5}\frac{1}{4\pi\epsilon_0}\frac{Q^2}{R}$$