Electronics and Communication Engineering - Automatic Control Systems - Discussion


The entries in the first column of Routh array of a fourth order are 5, 2, - 0.1, 2, 1. The number of poles in the right half plane are

[A]. 1
[B]. 2
[C]. 3
[D]. 4

Answer: Option B


Two sign changes and hence two poles in right half plane.

Priya said: (Sep 13, 2017)  
I think sign changes are 2, no of right half planes in right half plane are 3.

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