Electricity is the focus of this college-level midterm exam. It requres physics learners to answer multiple choice and short answer questions in addition to evaluating several diagrams and graphs. This is appropriate for most high school...

Explore how a capacitor works! Change the size of the plates and add a dielectric to see how it affects capacitance. Change the voltage and see charges built up on the plates. Shows the electric field in the capacitor. Measure voltage...

This is the PBS companion site to a video about Tesla. This particular page reviews Tesla's accomplishments and follows the events of his life that prove to be both tragic and inspiring. This comprehensive resource provides powerful...