Question: A hollow metal sphere has inner radius a and outer radius b.The hollow sphere has charge + 2Q. A point charge + Q sits at

A hollow metal sphere has inner radius a and outer radius b.The hollow sphere has charge + 2Q. A point charge + Q sits at thecenter of the hollow sphere.

a. Determine the electric fields in the three regions r ≤ a,a < r < b, and r ≥ b.

b. How much charge is on the inside surface of the hollow sphere? On the exterior surface?

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