1.

What is the admittance matrix for a two-port network shown in the figure given below?

A. \(\left[ {\begin{array}{*{20}{c}} {15}&5\\ 5&{15} \end{array}} \right]\)
B. \(\frac{1}{200}\left[ {\begin{array}{*{20}{c}} {15}&{ - 5}\\ { - 5}&{15} \end{array}} \right]\)
C. \(\left[ {\begin{array}{*{20}{c}} 5&{15}\\ {15}&5 \end{array}} \right]\)
D. \(\frac{1}{{200}}\left[ {\begin{array}{*{20}{c}} {20}&5\\ {15}&{20} \end{array}} \right]\)
Answer» C. \(\left[ {\begin{array}{*{20}{c}} 5&{15}\\ {15}&5 \end{array}} \right]\)


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