Problem 7 (3 points) - A sphere of radius a and volume charge density P = Po exist centered at the origin. It can be shown that the electric field produced by this sphere is Poa³ 3€ R² Assuming that V (R₂ = ∞o) = 0, derive an expression for V (R₂ = 2a). Ē (R₂) = zâr for R, > a.

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