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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 3 (Q.No. 46)
Automatic Control Systems
46.
The polar plot of
does not cross real axis
crosses real axis
crosses real axis at ω = 0.7 rad/sec
crosses real axis at ω = 1.4 rad/sec
Answer: Option
Explanation:

It does not become real at any frequency.

Discussion:
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