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Simple generator

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Provider: Link: http://www.youtube.com/watch?v=k7Sz8oT8ou0
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Description: Build this ultra-simple AC electric generator from magnets, wire, and cardboard. (And a big nail!) Light a small lightbulb, or flash a red LED.

This demonstrates how generators work. Now if you want a more useful device, use a small DC motor as a generator, since it has much better magnetics design. All motors are generators. Figure out how to spin a motor's shaft, and you can make a small powerful generator. Or... figure out how to convert the cardboard generator into a motor!
Tags: science, tutorial, physics, magnet, experiment, experiments, generator, fair, electricity, coil, magnets, amasci
Category: Flag video Science & Technology