All Problems

Electric Capacitance, Energy of an Electric Field

Problem 3.129

A point charge \(q\) is iocated at a distance \(l\) from an infinite tonducting plane. Find the interaction energy of that charge with chose induced on the plane.

Reveal Answer
W=q2/8πε0lW=-q^{2} / 8 \pi \varepsilon_{0} l