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A current carrying conductor is only called a transmission line if the length of the line is _____ long at the signal frequency?

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A current carrying conductor is only called a transmission line if the length of the line is _____ long at the signal frequency?

(a) 0.1λ

(b) 0.3λ

(c) 1.2λ

(d) 1.5λ

The question was posed to me in a national level competition.

The origin of the question is Transmission Line Basics in portion Transmission Lines of Avionics

1 Answer

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Best answer
Right option is (a) 0.1λ

Best explanation: A pair of current carrying conductors is not considered to be a transmission line unless it is at least 0.1λlong at the signal frequency.

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