All Problems

Conductors and Dielectrics in an Electric Field

Problem 3.58

A point dipole with an electric moment p is located at a distance \(l\) from an infinite conducting plane. Find the modulus of the vector of the force acting on the dipole if the vector \(\mathbf{p}\) is perpendicular to the plane.

Reveal Answer
F=3p232πε0l4F=\frac{3 p^{2}}{32 \pi \varepsilon_{0} l^{4}}