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ECE · Q224

Control Systems

Engineering and GATE · ECE · question 224

Q224

For the given circuit, which one of the following is the correct state equation?

For the given circuit, which one of the following is the correct state equation?
Control Systems mcq question image
A.
\frac{d}{{dt}}\left[ \begin{array}{l} v\\ i \end{array} \right] = \left[ {\begin{array}{*{20}{c}} { - 4}&4\\ { - 2}&{ - 4} \end{array}} \right]\left[ \begin{array}{l} v\\ i \end{array} \right] + \left[ {\begin{array}{*{20}{c}} 0&4\\ 4&0 \end{array}} \right]\left[ \begin{array}{l} {i_1}\\ {i_2} \end{array} \right]
Answer
B.
\frac{d}{{dt}}\left[ \begin{array}{l} v\\ i \end{array} \right] = \left[ {\begin{array}{*{20}{c}} { - 4}&{ - 4}\\ { - 2}&{ - 4} \end{array}} \right]\left[ \begin{array}{l} v\\ i \end{array} \right] + \left[ {\begin{array}{*{20}{c}} 4&0\\ 0&4 \end{array}} \right]\left[ \begin{array}{l} {i_1}\\ {i_2} \end{array} \right]
C.
\frac{d}{{dt}}\left[ \begin{array}{l} v\\ i \end{array} \right] = \left[ {\begin{array}{*{20}{c}} { - 4}&{ - 4}\\ { - 2}&4 \end{array}} \right]\left[ \begin{array}{l} v\\ i \end{array} \right] + \left[ {\begin{array}{*{20}{c}} 4&4\\ 4&0 \end{array}} \right]\left[ \begin{array}{l} {i_1}\\ {i_2} \end{array} \right]
D.
\frac{d}{{dt}}\left[ \begin{array}{l} v\\ i \end{array} \right] = \left[ {\begin{array}{*{20}{c}} 4&{ - 4}\\ { - 2}&{ - 4} \end{array}} \right]\left[ \begin{array}{l} v\\ i \end{array} \right] + \left[ {\begin{array}{*{20}{c}} 0&4\\ 4&4 \end{array}} \right]\left[ \begin{array}{l} {i_1}\\ {i_2} \end{array} \right]

Answer: Option A

Solution

Answer: Option A
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