When charges are stationary in a conductor, it is in a state of electrostatic equilbrium. This section describes the properties of conductors in electrostatic equilibrium in regard to the electric fi...When charges are stationary in a conductor, it is in a state of electrostatic equilbrium. This section describes the properties of conductors in electrostatic equilibrium in regard to the electric field, electric potential, and surface charge density both inside and on the surface of the conductor.