Question

Determine the value of Z22 in the circuit shown below. (a) 0 (b) 1 (c) 2 (d) 3 This question was addressed to me in class test. Query is from Open Circuit Impedence(Z) Parameters 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 choice is (c) 2 For explanation I would say: Open circuiting port 1, we get V2 = I2((2+2)||4) => V2 = I2 x 2 => V2/I2 = 2. Therefore the value of Z22 is 2Ω.