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A research Van de Graaff generator has a 1.00-m-diameter metal sphere with a charge of 2.00...

A research Van de Graaff generator has a 1.00-m-diameter metal sphere with a charge of 2.00 µC on it. (a) What is the potential near its surface for an electron? (b) At what distance from its center is the potential dropped to 1V? (c) What is the energy of the electron in eV at this distance?

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