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Homework Help: Voltage between two conductor line

  1. Aug 20, 2007 #1
    1. The problem statement, all variables and given/known data
    My problem is from book Electromagnetic with applications by Kraus & fleisch.problem no. 2-5-2. In the problem "two conductor" line is given & magnitude of electric field due to this on a co ordinate(43cm,32cm) is also given=450v/m. Radius of conductor, Position of center of conductor on coordinate sys. is also given.

    we have to calculate Voltage difference between conductor.

    2. Relevant equations
    voltage diff between origin & any point x=(p/(2*pi*epsilon))*ln(r1/r2)
    where p= charge density of line
    r1 & r2 are distance between both wires and pt x.

    3. The attempt at a solution
    I calculated electric fld due to both wires & vector summed that. & equated it s magnitude with given value. With this i found value of p/(2*pi*epsilon). And calculated voltage between origin & conductor. Since both conductor are symmetrical to origin I doubled value of voltage to get voltage between conductor. But i am getting around 730 v. While i should get 1130v.

    If anybody has that book then it would be more helpful coz it was a bit complicated to explain everything here.
  2. jcsd
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