A metal sphere of radius 20 cm has a net charge of 60 x

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A metal sphere of radius 20 cm has a net charge of 6.0 x 10-8 C.

(a) What is the electric field at the sphere's surface?

(b) If V = 0 at infinity, what is the electric potential at the sphere's surface?

(c) At what distance from the sphere's surface has the electric potential decreased by 900 V?

Reference no: EM13641142

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