What is the electric field at the spheres surface

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Reference no: EM13696382

Solve the all parts of given question:

Question: A metal sphere of radius 14 cm has a net charge of 2.9E^-8 C.

Part I: What is the electric field at the sphere's surface?

Part II: If V = 0 at infinity, what is the electric potential at the sphere's surface?

Part III: At what distance from the sphere's surface has the electric potential decreased by 490 V?

I don't know how to get that answer for the above questions. Please help! Thanks.

Reference no: EM13696382

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