I have two plate capacitors serially connected in a circuit with a battey and a switch between the battery and one of the plate capacitors. I have two situaions: a) I charge the …

A few questions about electric field here: Why do charges have to be on the outer surface of the conductor? Why no charge on the inner surface of a hollow conductor? If charges c …

Does anyone have an intuitive explanation of Earnshaw's theorem regarding electromagnetic fields? It would help me if a simple example could be used such as 8 point charges one at …