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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 2 (Q.No. 14)
Automatic Control Systems
14.
The slope of log-magnitude asymptote changes by - 40 dB/ decade at a frequency ω1. 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
a pole or zero at origin is present
Answer: Option
Explanation:

A double pole or pair of complex poles result in - 40 dB/decade slope in log magnitude graph.

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