The electric field just above the surface of the charged drumof a photocopying machine has a magnitude E of2.30×105 N/C. The surface charge densityof the drum, assuming that the drum is a conductor is2.04×10-6 C/m^2 (a) The drum of the photocopying machine in theproblem above has a length of 38 cm and a diameter of 15cm. What is the total charge on the drum?

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