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The characteristic impedance of the transmission line if the outer diameter and inner diameter of the transmission line is 20 mm and 10 mm respectively, given the intrinsic impedance of the medium is 377 Ω, then the characteristic impedance of the transmission line is:

The characteristic impedance of the transmission line if the outer diameter and inner diameter of the transmission line is 20 mm and 10 mm respectively, given the intrinsic impedance of the medium is 377 Ω, then the characteristic impedance of the transmission line is: Correct Answer 41.58 Ω

Characteristic impedance of the coaxial line is given by the expression ln (b/a)/ 2π. Substituting the given values in the above expression, the characteristic impedance 41.58 Ω.

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