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What Happens When You Drop A Magnet Through A Copper Tube?


Stashed in: Science!, Magnets!, @iflscience, Neat!

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Sometimes science underwhelms.

Okay, this is pretty cool.

Neat!

In sum: the magnet induced a current in the copper pipe, which in turn produced a magnetic field. The direction of this current then opposed the change in the magnet’s field, resulting in the magnet being repelled and thus falling more slowly. Neat.

Yeah science!

http://pandawhale.com/post/22516/faradays-law-motor-demo-battery-spinning-wire

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