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Magnet in copper tube

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Uploaded by on Jul 15, 2008

A neodymium magnet through a copper tube.

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Science & Technology

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Standard YouTube License

  • likes, 2 dislikes

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  • są to prądy wirowe

  • What happened?

    It fell down the tube.

    Great.

  • it looks like light is being bent

  • Also if you attached test leads on the tube you would see current induced

  • In other words Eddy Currents

  • @ ItsConcept3D

    Time for me to remember back to my physics classes.

    It's inducing an electrical current in the copper tube, and the energy it's putting into the tube is coming from its kinetic energy. Like how a generator works. The magnet spinning sets up a current in the wire, and that slows it down.

  • Do you know why this happens?

  • Very effective brakes on, say a roller coaster. because the faster its going the more difficult it is for conventional brakes to slow something down this really comes into its own league @ high speeds.

  • what practical applications could this have ?

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