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Physics, 21.11.2019 04:31 lucaszsanches
Asolid conducting sphere with radius r that carries positive charge q is concentric with a very thin insulating shell of radius 2r that also carries charge q. the charge q is distributed uniformly over the insulating shell. find the magnitude of the electric field in the region 02r. express your answer in terms of the variables r, r, q, and constants π and ε0.
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