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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 6 (Q.No. 39)
Automatic Control Systems
39.
The slope of log magnitude asymptote changes by - 40 dB/ decade at a certain frequency and the error between asymptote and actual curve is - 6 dB. This means that
a double pole is present
a pair of complex conjugate poles is present
either a double pole or a pair of complex conjugate poles is present
either a pole or zero at that frequency is present
Answer: Option
Explanation:
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