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A hollow insulator sphere of radius R holds charge Q, which is distributed uniformly over the surface. There is a small hole in the sphere. A small charge q is initially located at distance D away from the center of the sphere. If k = 1/4πε0, the work that must be done to move q from D through the hole to the center of the sphere, C, is ... 5. [1<28.40] The figure 1<28.40 shows a solid metal sphere at the center of a hollow metal sphere. What is the total charge on (a) the exterior of the inner sphere, (b) the inside surface of the hollow sphere, and (c) the exterior surface of the hollow sphere? 6. A spherical capacitor consists of a spherical conducting shell