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I Charge on van de graaff generator

  1. Apr 7, 2016 #1
    Is there any easy way to determine the charge on a van de graaff generator based on the voltage?
     
  2. jcsd
  3. Apr 7, 2016 #2

    NascentOxygen

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    Staff: Mentor

    If you could determine the capacitance of the dome, you could use the relationship involving Q, C and V.
     
  4. Apr 7, 2016 #3

    tech99

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    Gold Member

    The capacitance of a sphere in picofarads is very roughly equal to its radius in centimetres. Of course there will be an exact formula on Google. Then Q = CV (suggest microcoulombs, picofarads, megavolts)
     
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