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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 10 (Q.No. 33)
Automatic Control Systems
33.
If any term in the first column of a Routh array becomes zero, then
Routh criterion cannot be used to determine stability
Routh criterion can be used by substituting a small positive number for zero and completing the array
Routh criterion can be used by substituting a big positive number for zero and completing the array
Routh criterion can be used by substituting a small negative number for zero and completing the array
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
M G KIRAN said:   9 years ago
Option D is also true. We can check it in any question.
Jeeva said:   8 years ago
Option B is the only correct answer.
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