The electric field. Divergence and curl of electrostatic fields. Electric potential. Work and energy in electrostatics. Conductors. Laplace's Equation. The method of images. Separation of variables. Multipole expansion. Electric fields in matter. The Lorentz force law. The Biot-Savart law. The divergence and curl of the magnetic field. Magnetic vector potential. Magnetic fields in matter. Electromotive force, electromagnetic induction and Maxwell's equations. Pre-req.: PHYS 241.