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A 2 cm radius conductor, a filled sphere has a total load of 8 μC. The...

A 2 cm radius conductor, a filled sphere has a total load of 8 μC. The inner radius of a conductive sphere layer centered with this sphere is 4 cm, its outer radius is 5 cm, and its net charge is -4 μC. From the center of this load distribution;

a) r = 1 cm,

b) r = 3 cm,

c) r = 7 cm

Find the size of the electric field from these three distances using Gauss's law?

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