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The $h$ parameters of the circuit shown in the figure are

1. $\left[\begin{array}{cc}0.1 & 0.1 \\ -0.1 & 0.3\end{array}\right]$
2. $\left[\begin{array}{cc}10 & -1 \\ 1 & 0.05\end{array}\right]$
3. $\left[\begin{array}{ll}30 & 20 \\ 20 & 20\end{array}\right]$
4. $\left[\begin{array}{cc}10 & 1 \\ -1 & 0.05\end{array}\right]$