Curated OER
Basic Electromagnetism and Electromagnetic Induction
In this electromagnetism and electromagnetic induction learning exercise, learners answer 12 questions about electricity, about the magnetic fields in given diagrams, about the right-hand rule and about electric current and voltage in...
University of Wisconsin
The Why Files: Light on Lightning! Danger!
Experience the acoustical shadow caused by a lightning bolt, and discover the dangers of a lightning storm.