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Dropping a Magnet Through a Copper Tube

This is Lenz's Law in action. This is because the copper tube "sees" a changing magnetic field from the falling magnet. This changing magnetic field induces a current in the copper tube. The induced current in the copper tube creates its own magnetic field that opposes the magnetic field that created it.
Check out Lenz's Law in action.
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WHODINI13
Uploaded 02/04/2014
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