This website from the Thayer School of Engineering at Dartmouth College features an animation of a buck converter. A buck converter is a step-down DC to DC converter. Its design is similar to the step-up boost converter,...

This learning activity from the Advanced Technology Environmental and Energy Center (ATEEC) explores the differences between batteries and fuel cells, and includes fuel cell schematics and further detail about the...

This student interactive tutorial, by Michael Davidson of Florida State University, focuses on the factors influencing capacitance. An interactive applet allows visitors to select various combinations of dielectrics,...

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,...

This site contains an activity on electrostatics. A styrofoam plate is rubbed with wool to give it a large electric charge that can be transferred to an aluminum pie pan. This electrophorus, or change carrier produces...