To show that the expression: V = Q d sin θ sin ϕ 4 π ε 0 r 2 at a point ( r , θ , ϕ ) and the magnitude of the electric field.

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Chapter 4, Problem 61P

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To show that the expression: V=Qdsinθsinϕ4πε0r2 at a point (r,θ,ϕ) and the magnitude of the electric field.

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