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Determine the transfer function Z21 (S) in the circuit shown below.(a) s(b) 2 s(c) 3 s(d) 4 sI had been asked this question in an online interview.My enquiry is from Network Function for the One-Port and Two-Port topic in section S-Domain Analysis of Network Theory

Answer»

Correct option is (b) 2 s

Easiest EXPLANATION: The transfer function Z21 (S) is Z21 (S) = V2(S)/I1(S). V2 (S) = I1 (S) X 2S. V2(S)/I1(S)=2s. On substituting Z21 (S) = 2s.



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