Question

The value of Z12 in the circuit shown below is? (a) 1.1 (b) 2.2 (c) 3.3 (d) 4.4 This question was posed to me in final exam. My enquiry is from Image Parameters topic in section 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)

Answer 1

The correct answer is (d) 4.4 To explain I would say: The relation between Z12 and ABCD parameters is Z12=√(BD/AC). We got B = 17/5, D = 7/5, A = 6/5, C = 1/5. On substituting Z12 = √(BD/AC) = √((17/5×7/5)/(6/5×1/5)) = 4.4Ω.