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Uniformly polarized disk on a conducting plane.

  1. Oct 5, 2011 #1
    1. The problem statement, all variables and given/known data

    A uniformly polarized dielectric disk surrounded by air is lying at a conducting plane, as shown in Fig. 2.36. The polarization vector in the disk is, [tex]\vec{P} = P\hat{k},[/tex] the disk radius is a, and the thickness d. Calculate the electric field intensity vector along disk axis normal to the conducting plane (z-axis).

    2. Relevant equations



    3. The attempt at a solution

    See figure attached.

    I can follow the solution up until the point where they add the two fields due to the 2 discs.

    Which portion is E1 and which portion is E2?

    Could someone please show all the steps they skipped?

    Thanks again!
     

    Attached Files:

  2. jcsd
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