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Find the Y – parameter Y12 in the circuit shown below. (a) 1/2 (b) -1/2 (c) -1/4 (d) 1/4 The question was posed to me in a national level competition. Question is from Short Circuit Admittance(Y) Parameters in portion 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 answer is (c) -1/4 Easy explanation: Short circuiting a-a’, -I1 = 2/5 I2 and I2 = 5 V2/8. On solving -I1 = 2/5×5/8 V2 = V2/4. We know Y12 = I1/V2. We got I1/V2 = -1/4. So the value of Y12 will be -1/4 mho.

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