鋁環內的渦電流

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Uploaded by on Jan 31, 2008

科學趣味實驗

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  • Aluminum in non ferrous, but magnetic fields can induce "eddy currents" inside it. Its basically the electrons spinning in a tight circle, creating an apposing magnetic field and heat. Fairly vague explanation but that is what Google is for.

  • ....is it Lenz's Law ?

  • Good experiment. I will try it with my students. Thanks.

  • Good demonstration

    But it's better if you explain more otherwise some people will not know why the ring is called "eddy current ring"

  • Nice demo!!

    But, a little translation would be nice...

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