Question

The dome of a Van de Graaff generator receives a charge of 9.2 ✕ 10−4 C....

The dome of a Van de Graaff generator receives a charge of 9.2 ✕ 10−4 C. Find the strength of the electric field in the following situations. (Hint: Review properties of conductors in electrostatic equilibrium. Also, use the points on the surface are outside a spherically symmetric charge distribution; the total charge may be considered to be located at the center of the sphere.)

(a) inside the dome
N/C

(b) at the surface of the dome, assuming it has a radius of 2.8 m
N/C

(c) 4.7 m from the center of the dome
N/C

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