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Properties of matter

  1. Mar 12, 2006 #1
    Why does a soap bubble expand when it is charged?
  2. jcsd
  3. Mar 12, 2006 #2

    Physics Monkey

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    What are your thoughts?
  4. Mar 13, 2006 #3
    I think it is due to thye repulsive forces acting between the charges.
  5. Mar 13, 2006 #4
    A hint: the soap bubble takes the shape and size of a surface of minimal energy for the system. Without the charge the soap bubble is a certain size. Why then, would adding charge change it?

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