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Consider the spherical shell and point charge q > 0 in figure A. Assume that the outer shell consists of conducting material and that it carries a net charge of -3q.
(a) Derive expressions for the magnitude E(r) of the electric field in the three regions r < a, a < r < b and r > b.
(b) What are the surface charge densities on the inner and outer surfaces of the shell?
The figure shows a closed Gaussian surface in the shape of a cubeof edge length 2.7 m, with one cornerat x1 = 4.6m,y1 = 4.5 m. Thecube lies in a region where the electric field vector is givenby = -2.8 -4.2 y2 +2.2 N/C, with y in meters. What is the ..
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