Simple generator: AC electric generator for science fair
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Uploaded on Nov 8, 2007
Full information at http://amasci.com/coilgen/ main project website,
also see the Frequently Asked Questions (FAQ) at http://bit.ly/oYU1RM
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Time-wastage archive of odd physics videos: http://amasci.com/physvids/
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Build this DIY ultra-simple AC electric generator from magnets, wire, and cardboard. (And a big nail!) Light a small lightbulb, or flash a red LED.
This simple project demonstrates how electric generators work. All you need is a stack of strong ceramic magnets and a coil of very thin wire. See the website for complete parts list. Also see the section about debugging, and the FAQ at http://amasci.com/coilgen/generator_3...
Now if you want a more useful device, instead get a small DC motor. Use it 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.
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See my links page for many generator projects on other websites, at http://amasci.com/coilgen/generator_4... Also... figure out how to convert the cardboard generator into a motor!
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Lots more stuff at SCIENCE HOBBYIST http://amasci.com/unew.html
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Note: trolls/spammers blocked immediately, zero tolerance
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Uploader Comments (wbeaty)
fgjhham89 3 hours ago
how many volts dos it produces? thanks!
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wbeaty 53 minutes ago
All the info is in the article. The AC volts depends on how fast you spin it. But it can only light up a bulb that needs LESS THAN one volt. If you double the amount of wire, then you can light up a red LED that needs 1.7V.
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Sree jonna 2 days ago
Fuck you, This is called Dynamo Indians are Using it since 40's.
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wbeaty 2 days ago
Dynamos in heavy use since the mid 1800s, that's what the Tesla/Edison battle was all about. Also see Dr. Gupta's "Toys from Trash" for lots more simple ones.
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SaraSeaStarr 2 days ago
Also, if I attach a different coil to the original coil, will it still work?
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wbeaty 2 days ago
Yep, just make sure it's solidly connected, then keep winding in the same direction.
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Video Responses
All Comments (2,792)
Sean Choi 4 hours ago
Hey again,
Do you have any knowledge about the relation between volts and watts? What is the big difference between them?
It's cause we made a generator, and we could calculate the volts, but not watts, and we need to get to 100 watts.
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Adorablecord918 1 day ago
W da fuck volume went out
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wbeaty 2 days ago
I left that part for everyone else to figure out. The video has hints.
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SaraSeaStarr 2 days ago
My magnets keep shifting around the nail, and they won't stay centered.. how can I keep them from doing that?
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