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Homework Help: E-Potiential Difference in Uniform Field

  1. Feb 8, 2009 #1
    Hi. I am new, don't close my thread plz

    My Question is the - sign in front of the equation Delta V = Ed , or Delta V = - Ed, Which one is true?


    Delta V = Ed , or Delta V = - Ed ??



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 9, 2009 #2
    You are more likely to get an answer if you follow the proforma question layout and give a bit more information, say about what field of Physics you are asking about and the meaning of the symbols.
     
  4. Feb 9, 2009 #3
    Take mgh as an analogy. Displacement in the direction of the field
    decreases the potential (energy).
     
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