Handout
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: Parallel Plate Capacitor

For Teachers 9th - 10th
A simulation investigating a parallel-plate capacitor which is charged by connecting one plate to the positive end of a battery, and the other plate to the negative end. The battery sends electrons from one capacitor plate to the other...
Handout
Wolfram Research

Wolfram Science World: Capacitor

For Students 9th - 10th
A rather mathematical explanation of a capacitor. Gives all the appropriate formulae, with many hotwords for further info.
Handout
Georgia State University

Georgia State University: Hyper Physics: Capacitors

For Students 9th - 10th
Online university physics text called "Hyperphysics". Three sections here: Capacitors, Capacitor Combinations, Charge on Series Capacitors. These are nice clean lessons, good illustrations, many hotwords to assist. A fine online lesson,...