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Homework Help: Difference between volts and voltage and what signs to use?

  1. Feb 22, 2007 #1
    The thing that is equal to electromotive force and potential difference is voltage.. right? And that is represented by a capital V?

    And the thing that is joules/coloumbs.. That is a unit called volts? represented by.. a lower case v? Or are they both essentially the same..

    I'm confused because on top of mixing E and V, I've also been introduced to a lower case cursive v today.. Thanks:)
     
  2. jcsd
  3. Feb 22, 2007 #2

    ranger

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    Gold Member

    A lower case v would mean instantaneous voltage.
     
  4. Feb 22, 2007 #3
    Ahh.
    http://science.howstuffworks.com/question501.htm
    "The three most basic units in electricity are voltage (V)"
    "Voltage is measured in volts"

    So.. if V is voltage, what is volts in symbols?
     
  5. Feb 22, 2007 #4

    ranger

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    Gold Member

    Voltage is measured in volts, whose symbol is V.
     
  6. Feb 22, 2007 #5
    So, just like if I wanted to say 50 newtons, I would right 50N..and if I wanted to say 50 volts, I would say 50V?
     
  7. Feb 22, 2007 #6
    yes.......
     
  8. Feb 22, 2007 #7
    A lot of times, emf is represented by a script E to distinguish it from electric field
     
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