Loop transfer function of a feedback system is G (s) H (s) = \frac{s + 3}{s^{2} (s−3) }\:. Take the Nyquist contour in the clockwise direction. Then, the Nyquist plot of G(s) H(s) encircles −1 + j0

Correct Answer is : once in clockwise direction

once in anticlockwise direction

twice in anticlockwise direction

GATE Electrical Engineering (EE) 2016 Shift 1 Solved Paper

Question : 42 of 65

Marks: +1, -0

Loop transfer function of a feedback system is

G (s) H (s) = \;{s\;+\;3}/{s^{2} (s−3) }\:.

Take the Nyquist contour in the clockwise direction. Then, the Nyquist plot of G(s) H(s) encircles

−1 + j0

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