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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 7 (Q.No. 25)
Automatic Control Systems
25.
Consider the following statements:
  1. The positiveness of coefficients of characteristic equation is necessary as well as sufficient condition for stability of first and second order systems.
  2. The positiveness of coefficients of characteristic equation ensures negativeness of real roots but is not sufficient condition for stability of third and higher order systems.
Out of above statements:
only 1 is correct
both 1 and 2 are correct
only 2 is correct
both are wrong
Answer: Option
Explanation:
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