Polyethylene with r 2 25 is used as the insulating material in a lossless coaxial line with characteristic impedance of 50 The radius of the inner conductor is 1 2 mm (a) What is the radius of the outer conductor (b) What is the phase velocity of the line ...

Given a lossless coaxial line Zo 50 r 22 ...

Polyethylene with r 2.25 is used as the insulating material in a lossless coaxial line with

Question:

Polyethylene with εr – 2.25 is used as the insulating material in a lossless coaxial line with characteristic impedance of 50Ω. The radius of the inner conductor is 1.2 mm.
(a) What is the radius of the outer conductor?
(b) What is the phase velocity of the line?