1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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).
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook