A 2-port network is defined by the relation:
\({{\rm{V}}_1} = \frac{3}{4}{{\rm{I}}_1} - \frac{1}{4}{{\rm{I}}_2}\)
\({{\rm{V}}_2} = - \frac{1}{2}{{\rm{I}}_1} + \frac{1}{2}{{\rm{I}}_2}\)
then \({{\rm{h}}_{12}}\) is:
1
\(\frac{1}{2}\)
2
\(- \frac{1}{2}\)
3
1
4
-1
5
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