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Homework Help: Magnitude of a charge

  1. Feb 11, 2012 #1
    1. The problem statement, all variables and given/known data
    The potential difference between a storm
    cloud and the ground is 2.13 × 10
    If a bolt carrying 5 C falls from a cloud to
    Earth, what is the magnitude of the change of
    potential energy of the charge?
    Answer in units of J

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Feb 11, 2012 #2


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    Gold Member

    hint: the unit "volts" in SI units is "Joules per Coulomb"
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