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A solid conducting sphere with a radius of 0.020 m carries a net charge of -2...

  1. A solid conducting sphere with a radius of 0.020 m carries a net charge of -2 x 10^-9 C. A thin, spherical conducting shell with an inner radius of 0.050 m and an outer radius of 0.052 m is concentric on the solid sphere and carries a net charge of +2 x 10^-9 C. Find the magnitudes of the electric field at r = 0.10 m, 0.025 m, and 0.073 m.
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