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Physics

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Mathematics

Unswschool. Periodictable. Electric motors and generators. Electric motors, generators, alternators and loudspeakers are explained using animations and schematics.

Electric motors and generators

This is a resource page from Physclips, a multi-level multimedia introduction to physics (download the animations on this page). DC motors A simple DC motor has a coil of wire that can rotate in a magnetic field. The current in the coil is supplied via two brushes that make moving contact with a split ring. The coil lies in a steady magnetic field. Processing exhibition, November 2003. Khan Academy. Einstein's Big Idea. Einstein's Big Idea PBS Airdate: October 11, 2005 NARRATOR: When we think of E = mc2 we have this vision of Einstein as an old wrinkly man with white hair.

Einstein's Big Idea