A point charge idealizes electric charge concentrated at one point. In vacuum, a charge Q at the origin has potential Q/(4πϵ0r).
Ancestors (6)
Incoming links (91)
- Bond dipole
- Charge distribution
- Coulomb potential energy
- Coulomb's law
- Cube flux from a corner charge
- Dipole-induced charge on a grounded plane
- Dirichlet Green function between concentric spheres
- Electric dipole
- Electric dipole field
- Electric dipole moment
- Electric flux
- Electric potential
- Electrostatic boundary conditions at a conductor
- Electrostatic force
- Electrostatic potential energy of point charges
- Electrostatic shell theorem
- Equal-charge balance around a grounded sphere
- Gauss's law
- Image charge
- Image charges between concentric grounded spheres
- Image charges in a sixty-degree conducting wedge
- Induced charge as harmonic measure
- Larmor formula
- Liénard radiated-power formula
- Liénard-Wiechert field
- Liénard–Wiechert potential
- Magnetic force
- Opposite point charges have no linear restoring force at their midpoint
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- Point charge
- Potential of an inverse-radius spherical charge density
- Self-similar Coulomb expansion of an equilateral triplet
- Torsion balance
- Unequal charges above a grounded conducting plane
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