E = -grad V, More on Equipotential Surfaces, Conductors, Electrostatic Shielding (Faraday Cage), Great Demos
Assignments Lecture 1, 2, 3, 4 and 5: http://freepdfhosting.com/2cb4aad955.pdf
Solutions Lecture 1, 2, 3, 4 and 5: http://freepdfhosting.com/75b96693f2.pdf