Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N m2 /C?Vacuum permi €0 = 8.854 x 10-12 F/mMagnetic Permeability of vacuum, uo = 12.566370614356 × 10-7 H/m.M of one electron, e = -1.60217662 × 10-19 C. Mass of one electron, me = 9.10938356 × 10-31 otherwise, each symbol carries their usual meaning. For example, µC means micro coulomb. kg. U Two long coaxial hollow cylinder of radius a = 2 mmandb = 20 mm with b > awith charge density) = magnitude of the Electric field at r = 5 mm
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