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Unformatted text preview: r < a . (b) Derive the expression for the electric field as a function of r for the region a < r < b. (c) Derive the expression for the electric field as a function of r for the region r > b . (d) What is the surface charge density on the inner surface of the conducting shell? (e) What is the surface charge density on the outer surface of the conducting shell? • In a certain region of space, the electric field E is uniform. (a) Use Gauss’s law to find the volume charge density in this region. (b) Is it necessary for a region to have a uniform E if the charge density is zero? (c) Explain your answer to part (b)....
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 Winter '11
 Winn
 Charge, Electrostatics, Electric charge, NC, Fundamental physics concepts

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