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There is a solid, spherical dielectric (radius = 3 m) with a total charge of 30...

There is a solid, spherical dielectric (radius = 3 m) with a total charge of 30 μC and with uniform charge density. What is the electric field strength and the electric potential at

-the center? (answer is 0 N/C and 135,000 V just show the work)

-a distance 2 m from the center? (answer is 20,000 N/C and 115,000 V just show the work)

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