Reference no: EM132576284

Question: In the Van de Graaff generator shown in Figure a rubber belt carrics electrons up through a small hole in a large hollow spherical metal shell. The electrons come off the upper part of the belt and drift through a wire to the outer surface of the metai shell, so that the metal shell acquires a sizable negative charge approximately uniformly distributed over the sphere. At a time when the sphere has acquired a sizable charge - Q , approximately how much work must be done by the motor to move one more electron from the base (a distance b below the sphere) to the upper pulley (located a distance R/2 from the center uf ltte holluw sphere)? Explain your work, and state explicitly what approximations you had to make.