This is a great tutorial, by Rod Nate of Georgia State University, explaining what capacitors are and how they work. There are three sections: capacitors, capacitor combinations, and charges on series capacitors. There...

All About Circuits is a website that “provides a series of online textbooks covering electricity and electronics.” Written by Tony R. Kuphaldt, the textbooks available here are wonderful resources for students,...

Stephen T. Thornton, a professor in the department of physics at the University of Virginia, has created this website to bring together a number of lesson plans for teachers in the field. Within this “Teacher...