Introduction to Electrodynamics · Problem 10.21

Potentials and Fields — David J. Griffiths

Physics · fields-of-charge-constant-velocity

Problem

For a point charge moving at constant velocity, calculate the flux integral

\oint \mathbf{E} \cdot d\mathbf{a}

(using Eq. 10.75), over the surface of a sphere centered at the present location of the charge.