Ohm's law demo

  1. I remember seeing a demo of collisions inside a conductor. It was a long board with nails representing the atom positions (a square lattice arrangement) and you would put a hand full of marbles at the top. The marbles will slide down but since they keep hitting the nails the velocity will be constant.
    Does anyone have a link to a video showing this demo?
    Thanks!
     
  2. jcsd
  3. UltrafastPED

    UltrafastPED 1,919
    Science Advisor
    Gold Member

    Try "marble electric circuit model.mpg":
     
    Last edited by a moderator: Sep 25, 2014
  4. Thanks!
     
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