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From the circuits shown below, find the combined Z-parameter Z21. (a) 7 (b) 6 (c) 5 (d) 4 The question was posed to me in exam. My question comes from Inter Connection of Two-Port Networks topic in chapter Two-Port Networks of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

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The correct choice is (a) 7 The best explanation: The Z-parameter Z21 is Z21 = Z21x + Z21y and we have Z21x = 2, Z21y = 5. On substituting we get Z21 = 2 + 5 = 7Ω.

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