University of Colorado
University of Colorado: Ph Et Interactive Simulations: Electric Field of Dreams
Play ball! Add charges to the Field of Dreams and see how they react to the electric field. Turn on a background electric field and adjust the direction and magnitude. (Kevin Costner not included). Java required.
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Electric Circuits
In this unit students discover the meaning and some applications of electric potential, commonly known as voltage, and how it powers some simple circuits.
CK-12 Foundation
Ck 12: Physical Science: Electric Power and Electrical Energy Use
[Free Registration/Login may be required to access all resource tools.] Electric power and electric energy use of appliances and how to calculate them.