Question: For the system shown in Fig. 2 , determine the Nyquist plot and apply the Nyquist criterion ( a ) To determine the range of

For the system shown in Fig. 2, determine the Nyquist plot and apply the Nyquist criterion (a) To determine the range of \( K \) values (positive and negative) for which the system is unstable.
(b) To determine the number of roots in right half plane for those values of \( K \) for which the system is unstable. Check your answer by using a hand drawn root-locus sketch.
Fig. 2
For the system shown in Fig. 2 , determine the

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