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The signal flow diagram for a certain feedback control system is...

This question belongs to Electronics And Communications Engineering Control Systems
Control Systems
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The signal flow diagram for a certain feedback control system is shown in figure
Now consider the following set of equations for the nodes
1. x2 = a1x1 + a9x3
2. x3 = a2x2 + a8x4
3. x4 = a3x3 + a5x2
4. x5= a4x4 + a6x2
Which of the following are correct?
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Answer & Solution
Correct Answer: Option D
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