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Homework Statement
http://grephysics.net/ans/9277/64
I'm confused. How can there be a charge density if the electric field is one dimensional?
I don't know if i'm saying what i'm thinking clearly. I mean it looks the problem states that there is NO E field in the x and y domains, and yet if there is an E field in the Z domain, there can still be an E field in the X and Y because it is a distance r away from the Z. Dig?