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Q#1 Frequency Domain Analysis GATE EE 2022 MCQ +2 marks -0.66 marks

The open loop transfer function of a unity gain negative feedback system is given as

The Nyquist contour in the s-plane encloses the entire right half plane and a small neighbourhood around the origin in the left half plane, as shown in the figure below. The number of encirclemenets of the point (-1+j0) by the Nyquist plot of G(s), corresponding to the Nyquist contour, is denoted as N. Then N equals to

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