A two-wire transmission line consists of two parallel perfectly conducting cylinders, each having a radius of 0.2 mm, separated by a center-to-center distance of 2 mm. The medium surrounding the wires has r = 3 and σ = 1.5 mS/m. A 100-V battery is connected between the wires.

(a) Calculate the magnitude of the charge per meter length on each wire.

(b) Using the result of Problem 6.16, find the battery current.