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Find the electric potential V(r)

  1. Oct 12, 2014 #1
    Hi, I have a homework of electromagnetism and I got stucked in a problem, can you help me, please?

    1. The problem statement, all variables and given/known data

    Find the electric potential V(r) in the space produced by a density charge

    (rho) = (rho)0 e-(alpha) r

    In spanish:
    Enuentra el potencial V(r), en todo el espacio, producido por una densidad de carga:
    (rho) = (rho)0 e-(alpha) r

    2. Relevant equations

    3. The attempt at a solution
    I know that the electric potential produced by a density charge is the volume integral of the density charge by the magnitud of the distance between but I don't know how to take distance in all the space

  2. jcsd
  3. Oct 12, 2014 #2


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    Science Advisor
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    Gold Member

    Since the charge is spherically symmetric, think of it as nested spherical shells, each with a uniform charge density.
    What do you know about the fields generated by such shells?
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