Question

Determine the Z-parameter Z22 in the circuit shown below. (a) 1 (b) 3 (c) 2 (d) 4 I have been asked this question by my college director while I was bunking the class. My question is from Terminated Two-Port Network 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)

Answer 1

The correct choice is (c) 2 Easy explanation: The Z-parameter Z21 is V2/I2 |I1=0. This parameter is obtained by open circuiting port 1. So we get V2 = ((2+2)||4)I2 => V2 = 2(I2) => V2/I2 = 2. On substituting Z21 = 2Ω.