Question: Let d and s be two unequal lengths. Assume that charge is distributed on the z = 0 plane with a surface density (a) Integrate

Let d and s be two unequal lengths. Assume that charge is distributed on the z = 0 plane with a surface density () = -qd 2 (p + s)3/2*

(a) Integrate σ to find the total charge Q on the plane.

(b) Show that the potential ϕ(z) produced by σ(ρ) on the z-axis is identical to the potential produced by a point with charge Q on the axis at z = −s.

() = -qd 2 (p + s)3/2*

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