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Two Dielectric Materials in Capacitor

  1. May 30, 2012 #1
    1. The problem statement, all variables and given/known data
    A capacitor consisting of two parallel plates of area A = 7.3 m2 and spacing d = 0.150 m is filled with two parallel slabs of dielectric material of equal thickness and with dielectric constants 1 = 3.20 and 2 = 7.50, respectively. What is the total capacitance?

    k1 fills the top half, k2 fills the bottom half. each are d/2 thick


    2. Relevant equations
    C=Ae0k / d


    3. The attempt at a solution
    I tried to find the length of the capacitor using A=length*d so the length would be A/d
    and used that for A in the equation. I think I should be using C= C1 + C2 so both equations are the same except different k's
    not sure if this is the right approach. i also used d as d/2 for each individual dielectric
     
  2. jcsd
  3. May 30, 2012 #2
    forgot its in series. got my answer!
     
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