This lesson allows students to explore magnets and the region of influence around a magnet called a magnetic field. They will learn that magnets exert a force on a magnetically sensitive object without coming into direct...

Remember the silent caterpillar drive from the movie The Hunt for Red October? The caterpillar drive was a fictional magnetohydrodynamic propulsion system. Magnetohydrodynamic (MHD) propulsion is a means of using...

MIT Open Courseware provides free and open resources from a broad range of classes. This Physics collection contains material from physics classes ranging from introductory physics to advanced graduate courses. The...

This item is a simple interactive simulation that depicts voltage amplitude in a simple direct current generator. By using the mouse to change the frequency of the current, the user can see the direct relationship...

This item is a comprehensive beginning tutorial on generators and motors. Fully illustrated, it explains how current flows through a conductor and how motors change electric energy into mechanical energy. The author...