Question: 2 . 8 Derive an approximation formula for the electric field at a point outside of a metallic sphere, but very close to the surface

2.8 Derive an approximation formula for the electric field at a point outside of a metallic
sphere, but very close to the surface of sphere that has a charge density
of 110-6(Cm2).
2.8 Derive an approximation formula for the electric field at a

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