#1 Electric Fields and Forces in Metals A metal sphere has a concentric spherical cavity in which no metal is present. A charge of +5µC is placed in the center of the void. By “metal region" we mean not in the cavity or outside the sphere, but within the metallic part of the sphere. The electric field is: A. Zero outside the sphere and radially outward in the metallic region. O B. Radially outward outside the sphere and zero in the metallic region. C. Zero outside the sphere and zero in the metallic region. D. Radially outward outside the sphere and radially outward in the metallic region.

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A: Since you have asked to solve question 12, we will solve only question 12 for you.

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A: Given: A sphere with uniform positive charge density.

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A: Electric field due to piont charge  E = kq /r2

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