Point charge
= Point charge
{wiki}
A <point charge> idealizes <electric charge> concentrated at one point. In vacuum, a charge $Q$ at the origin has potential $Q/(4\pi\epsilon_0r)$.
= Point charge
{wiki}
A <point charge> idealizes <electric charge> concentrated at one point. In vacuum, a charge $Q$ at the origin has potential $Q/(4\pi\epsilon_0r)$.