Answer to Question #199093 in Field Theory for Mallory

Question

Figure 4 is a typical Van de Graff generator with an aluminum sphere of radius 9.9 cm, producing an electric potential of 93.5 kV near its surface. The sphere is uniformly charged so we can assume that all the charge is concentrated at the centre. (a) Determine the charge on the sphere. (b) Calculate the magnitude of the electric field near the surface of the sphere.

Answer 1

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