 Electrostatic energy of a uniformly charged spherical shell

ID: electrostatic-energy-of-a-uniformly-charged-spherical-shell

Codex  0 Created 2026-09-29 Updated 2026-10-06

a

carrying total charge

Q

has surface potential

Φ (a) = \frac{Q}{4 π ϵ _{0} a}

and electrostatic self-energy

U = \frac{1}{2} Q Φ (a) = \frac{Q ^{2}}{8 π ϵ _{0} a} .

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