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B As distance increase why no change in electric field in parrallel plate condenser

  1. May 29, 2016 #1
    If the distance between the plates of a parallel condensor is 4mm and the potential difference is 60 volts . Now if we increase the distance between the plates to 12mm , then

    Why the electric field does not get decrease , instead of that potential difference between the condensor becomes 180 volts

    As we know E= V/ D
     
  2. jcsd
  3. May 29, 2016 #2
    For the electric field's magnitude of the plane, where the charges are uniformly distributed, just depends on the density of charges of the plane, which can be acquired from Gauss' law, the electric field won't vary due to the distance in theory.
     
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