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Is this a correct definition of one volt?

  1. Feb 19, 2013 #1
    One volt is when:
    The difference in (electrical potential energy per unit charge (q)) between two places equals one.

    Where electrical potential energy equals

    EPE at distance R from charge Q = (1/4piEpsilonNought) * Q/R

    Is this Correct?

    Last edited: Feb 19, 2013
  2. jcsd
  3. Feb 19, 2013 #2
    *When the source charge Q is spherical in a vacuum
  4. Feb 20, 2013 #3
    1 Volt equals 1 Joule per Coulomb.
  5. Feb 21, 2013 #4
    The equation I gave would have units 1 Joule per Coulomb, I'm just wondering if everything I said was correct
  6. Feb 21, 2013 #5


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    Science Advisor

    You may have known that "electrical potential energy per unit charge (q)" is in "Joules per Coulomb but no one else can until you say so! Electric potential energy, like any energy, can be measured in ergs as well as Joules, and charge can be measured in "electrons" as well.
  7. Feb 24, 2013 #6
    Ah okay, thankyou for answering!
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