Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 3 (Q.No. 25)
25.
If the polar plot, as the frequency is varied from 0 to infinity is
a semicircle
a circle
a straight line
none of the above
Answer: Option
Explanation:

At ω = 0, G(jω) = 1 ∠ 0. At ω = ∞, G(jω) = 0 ∠ -90°.

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