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A demonstration Van de Graaff generator has a 25.0 cm diameter metal sphere that produces a...

A demonstration Van de Graaff generator has a 25.0 cm diameter metal sphere that produces a voltage of 100 kV near its surface. What excess charge resides on the sphere? (Assume that each numerical value here is shown with three significant figures.) [Answer: 1.4x10-6 C]

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Hence charge

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