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The short circuit impedance is given by 18 ohm and the characteristic impedance is 50 ohm. Find the open circuit impedance.

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The short circuit impedance is given by 18 ohm and the characteristic impedance is 50 ohm. Find the open circuit impedance. (a) 138.8 (b) 188.3 (c) 388.1 (d) 838.1 This question was posed to me in final exam. Query is from Transmission Lines topic in section 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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The correct option is (a) 138.8 The explanation: The relation between characteristic impedance, open and short impedance is given by Zo^2 = Zsc Zoc. For the given values Zo = 50 and Zsc = 18, we get Zoc = 50^2/18 = 138.8 units.

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