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Please help i need help with potential difference

  1. Feb 16, 2010 #1
    1. The problem statement, all variables and given/known data
    Well honestly im not that great in physics. I thought someone can help me with this question about potential difference.

    If a 120J of work are performed to move one coulomb from a positive plate to a negative plate, what potential difference exists between the plates?
    P.S- I dont know how to start it, so if someone would be kind enough to help me. Thanks :)
    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 16, 2010 #2
    It would help to know for this problem that 1 Volt is equal to 1 Joule/Coulomb. Play with the units and see what you can come up with.
     
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