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A cylinder (bottom face at z= - L, top face at z = L, radius R,...

A cylinder (bottom face at z= - L, top face at z = L, radius R, centered along the z-axis) carries a volume charge distribution ?(?,?, ?) = ?o ( ?/ ? ) ???^2?.

a. Calculate the monopole and dipole moments of this charge distribution

b. Find the leading order terms for the potential an the electric field at the point (x = 25R, y = 25R, z = 25L)

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