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Electric Field and Potential Scenario

  1. Apr 13, 2017 #1
    1. The problem statement, all variables and given/known data
    I was wondering in what situation would the potential and the electric field of the system both be equal to zero at the same time?

    2. Relevant equations
    W=-ΔU=-ΔVq
    ΔV=-∫Edr
    V=kQ/r (with reference r->∞)

    3. The attempt at a solution
    I know for the middle of a dipole the potential is zero while the electric field is non-zero.
    Then for the middle of two identical charges the electric field is zero while the potential is non-zero.
    I've been stuck on trying to think of a scenario where both are zero.
    Thanks!
     
  2. jcsd
  3. Apr 13, 2017 #2

    cnh1995

    User Avatar
    Homework Helper

    How about at infinity?
     
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