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When the length of the transmission line is same as that of the wavelength, then which condition holds good?

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When the length of the transmission line is same as that of the wavelength, then which condition holds good? (a) Zin = Zo (b) Z = Zo (c) ZL = Zo (d) Zin = ZL The question was posed to me in an interview for job. My query is from Transmission Line Equations in chapter Transmission Lines of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

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Correct option is (d) Zin = ZL Explanation: When the transmission line has a length same as that of the wavelength of the wave propagating through it, the input impedance will be same as the load impedance. This is the case where the wave is not amplified. The transmission line acts as a buffer.

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