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Two Dielectrics

  1. May 13, 2012 #1
    1. The problem statement, all variables and given/known data

    Now consider a specific example where this boundary lies in the plane y = 0 and we have ϵ1 = 4, ϵ2 = 5 and σ = 5C/m2. The electric field in region 1 (with y > 0) is given by ⃗ E1 = (20,−10, 15) V/m. Find ⃗D1. [1]
    Find ⃗D 2 and ⃗ E2 in region 2 with y < 0. [4]

    2. Relevant equations


    3. The attempt at a solution
    (D_1 ) ⃗=ε_0 (80,-40,60)c/m^2 for the first part don't know if it right
    For the second part i would assume i would use

    E1t=E2t
    and
    D1perpendicular-D2perpendicular

    However im not quite sure how to apply these...
     
  2. jcsd
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