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Homework Help: Potential V at point P on the axis of the ring.

  1. Nov 10, 2015 #1
    1. The problem statement, all variables and given/known data
    Electric charge Q is uniformly distributed around a thin ring of radius "a".Find the potential at a point p on the axis of the ring at a distance x from the centre of the ring.
    2. Relevant equations
    ##r##=##√x^2+a^2##

    3. The attempt at a solution
    ring.png
    \

    I just want to ask distributed around a thin ring of radius" a" does it mean at the distance "a" from the centre of the ring?
     
  2. jcsd
  3. Nov 10, 2015 #2

    BvU

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    2017 Award

    At a distance from O, yes.
     
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