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Physics, 15.04.2020 00:14 juansoto227711

A conducting spherical shell with inner radius a and outer radius b has a positive point charge +Q at the center in the empty region. The excess charge on the conducting shell is -3Q. (a) What are the charges on the inner and outer surface of the shell? [2] (b)Derive the expression for E field as a function of distance r and Q for r b. [1.5] (c) Sketch E as a function of r from the center outward. [1] (d) How would the answers to part (a) and (b) (part (b) only for ab) change if the charge Q was not at the center inside the shell but away from it but still in the empty region? [1.5]

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