The Z-parameter matrix of a two port network relates the port voltages and port currents as follows: $\begin{bmatrix} V_1 \\ V_2 \end{bmatrix} = Z \begin{bmatrix} I_1 \\ I_2 \end{bmatrix}$ The Z-parameter matrix (with each entry in Ohms) of the network shown below is

$[10/3 \quad 2/3 \\ 2/3 \quad 10/3]$

$[2/3 \quad 10/3 \\ 10/3 \quad 2/3]$

$[10/3 \quad 1/3 \\ 1/3 \quad 10/3]$

GATE 2025 Electronics & Communication Q40 — Electronics and Communication Engineerin

GATE 2025Set MasterQ40MCQanswer keyexplanation soonmedium

Electronics and Communication Engineering · Network Theory - Two-Port Networks

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Figure from the original GATE 2025 paper. (IIT Roorkee archive)

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Recurring concept

Network Theory - Two-Port Networks has appeared in GATE Electronics & Communication 4 times across 4 years (2019, 2023, 2024, 2025).

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Z-parametersTwo-port networkNetwork analysis