A)A 100-cm length of coaxial cable having an inner radius of 1 mm and an outer radius of 5 mm. Thespace between conductors is assumed to be filled with air. The total charge on the inner conductor is40 nC. Calculate the charge density on each conductor, and the E and D fields.B) A copper conductor has a diameter of 0.6 in. and it is 1200 ft long. Assume that it carries a total decurrent of 50 A. (a) Find the total resistance of the conductor. (b) What current density exists in it? (c)What is the de voltage between the conductor ends? (d) How much power is dissipated in the wire?C) Determine the electric potential at the origin due to four 20 uC charges residing in free space at thecorners of a 2 m x 2 m square centered about the origin in the x-y plane.

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Answered: A)A 100-cm length of coaxial cable…

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