This Topic In Depth explores some of what the Web has to offer on the subject of electricity. The first site from Thinkquest.org called Electricity Online (1) gives an excellent overview, with topics ranging from circuits and transformers to electricity's discovery and history. The site even contains games, activities, and quizzes. The second site, Edison's Miracle of Light (2) from PBS.org, is...

William J. Beaty, an Electrical Engineer at the University of Washington, has posted this website about electricity. He offers a simple answer to the question, What Is "Electricity?," identifies twenty misconceptions he has found to be barriers to understanding electricity, and then proceeds to explain various aspects of electricity. Beaty's debunking articles address common misconceptions about...

Six massive volumes comprise this comprehensive online reference of electric circuits. The first three volumes cover analog circuits, including direct current, alternating current, and semiconductors. Digital systems are the topic of the fourth volume, and a quick reference guide to frequently used equations and practices constitutes the fifth. Each volume can be downloaded as a single file for...

Crafted by the National High Magnetic Field Laboratory, MagLabU offers a boot camp in "nearly anything you might want to know about electricity and magnetism." Here, visitors can experience interactive tutorials, science demonstrations (including audio slideshows), and a lovely set of profiles on Pioneers in the field. The Interactive Tutorials highlight over three dozen helpful demonstrations,...

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 Investigations" section of the site, visitors can look over three different classroom activities. The investigations include explorations into the world of light bulbs, the workings of...