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Electric potential

  1. Dec 11, 2012 #1
    "A positive point charge, when subjected to electric force only, tends to move from a region of higher potential towards a region of lower potential while a negative charge moves in the opposite way."
    I don't understand this statement. Can someone explain it to me?
     
  2. jcsd
  3. Dec 11, 2012 #2

    K^2

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    Science Advisor

    Picture potential as a hill. Put a marble somewhere. It rolls downhill. That's basically how this tells you the positive charge will behave. Negative charge will move in the opposite direction.
     
  4. Dec 11, 2012 #3
    but why would negative charge move in the opposite direction??
     
  5. Dec 11, 2012 #4

    jtbell

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    Staff: Mentor

    For a given electric field (and potential), the electric force is in opposite directions on positive and negative charges.
     
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