Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 2 (Q.No. 23)
23.
For a factor in the transfer function, the log magnitude plot
is a straight line with slope 0 dB/decade
is a straight line with slope 20 dB/decade
is a straight line with slope - 20 dB/decade
is a straight line with slope - 40 dB/decade
Answer: Option
Explanation:

jω term in denominator gives a straight line with a slope of - 20 dB/decade and gives a straight line with a slope of - 40 dB/decade.

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