A charge Q = -10 nC sits at the center of a thick uncharged conducting spherical shell with inner radius Ry 3.0 m and outer radius R2 4.0 m. Find the magnitude and direction of the electric field at a distance of (a) 2.0 m. (b) 3.5 m, and (c) 4.5 m away from the charge. R, R, 1.
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