A negative gain margin expressed in decibels means a/an ____________ system?
Correct answer: A. Unstable
- A. Unstable
- B. Stable
- C. Critically damped
- D. None of these
Explanation
A negative gain margin means the loop would need a reduction in gain to reach the stability limit, indicating that the present closed-loop system is unstable. A stable system normally has a positive gain margin.
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