A solid sphere of radius a is concentric with a hollow sphere of radius b, where b a. If the solid sphere has a uniform charge distribution totaling +Q and the hollow sphere a charge of -Q, the electric field at radius r, where r

Question

A solid sphere of radius a is concentric with a hollow sphere of radius b, where b > a. If the solid sphere has a uniform charge distribution totaling +Q and the hollow sphere a charge of -Q, the electric field at radius r, where r < a, is which of the following, in terms of k = (4$\pi$$\isin$₀)^-1? A) kQ/r² B) kQr/a³ C) kQ/a² D) kQ/b² E) zero

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The Answer of A solid sphere of radius a is concentric with a hollow sphere of radius b, where b > a. If the solid sphere has a uniform charge distribution totaling +Q and the hollow sphere a charge of -Q, the electric field at radius r, where r < a, is which of the following, in terms of k = (4$\pi$$\isin$₀)^-1? A) kQ/r² B) kQr/a³ C) kQ/a² D) kQ/b² E) zero

A Solid Sphere of Radius a Is Concentric with a Hollow