[7급 국가직 회로이론 2012년 17번]

다음 2－포트 회로망의 h-parameter는?

1. ①$\left[\begin{array}{c}{V}_1\\ I_2\end{array}\right]=\left[\begin{array}{cc}{R}_1+R_2& 0\\ -A\frac{R_2}{R_3}& \frac{1}{R_3}\end{array}\right]\left[\begin{array}{c}{I}_1\\ V_2\end{array}\right]$
2. ②$\left[\begin{array}{c}{V}_1\\ I_2\end{array}\right]=\left[\begin{array}{cc}{R}_1+R_2& 0\\ 0& \frac{1}{R_3}\end{array}\right]\left[\begin{array}{c}{I}_1\\ V_2\end{array}\right]$
3. ③$\left[\begin{array}{c}{V}_1\\ I_2\end{array}\right]=\left[\begin{array}{cc}{R}_1+R_2& 0\\ -A\frac{R_2}{R_3}& R_3\end{array}\right]\left[\begin{array}{c}{I}_1\\ V_2\end{array}\right]$
4. ④$\left[\begin{array}{c}{V}_1\\ I_2\end{array}\right]=\left[\begin{array}{cc}{R}_1+R_2& A\\ 0& R_3\end{array}\right]\left[\begin{array}{c}{I}_1\\ V_2\end{array}\right]$

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출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)