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Homework Help: What is the Charge on the metal plate?

  1. Aug 26, 2011 #1
    A metal plate is connected by a conductor to a ground through a switch. The switch is initially closed. A charge of +Q is brought close to the plate without touching it, and then the switch is opened. After the switch is opened, the charge +Q is removed. What is the charge on the plate then?

    2. Relevant equations

    3. The attempt at a solution

    This is all new to me, I have no clue.
  2. jcsd
  3. Aug 26, 2011 #2
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