An air core transmission line has an inner hollow tube conductor of radius b and a very thin outer conductor of inner radius a. Determine the inductance of the line if

its length is L (La). (Approx. 5 min.) (HoL/2x) In a/b Ho/4x + (Ho/n) In a/b None of them. HoL/8+ (μL/2n) In a/b (HZ/2x) In bla MoL/8x + (HoL/2n) In bla (μ/2x) In a/b Ho/8x + (Ho/2n) In a/b