Ohm's law demo

  • Thread starter pbtami
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  • #1
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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!
 

Answers and Replies

  • #2
UltrafastPED
Science Advisor
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Try "marble electric circuit model.mpg":
 
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  • #3
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Thanks!
 

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