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

Question: 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

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?

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