The 2-port admittance matrix of the circuit shown is given by
1
\(\left[ {\begin{array}{*{20}{c}} {0.3}&{ - 0.2}\\ { - 0.2}&{0.3} \end{array}} \right]\)
2
\(\left[ {\begin{array}{*{20}{c}} {15}&5\\ 5&{15} \end{array}} \right]\)
3
\(\left[ {\begin{array}{*{20}{c}} {3.33}&5\\ 5&{3.33} \end{array}} \right]\)
4
\(\left[ {\begin{array}{*{20}{c}} {0.3}&{0.4}\\ {0.4}&{0.3} \end{array}} \right]\)