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The polar plot of the transfer function G(s) = 10(s+1)/s+10 will be in the :

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The polar plot of the transfer function G(s) = 10(s+1)/s+10 will be in the :

(a) First quadrant

(b) Second quadrant

(c) Third quadrant

(d) Fourth quadrant

I have been asked this question during a job interview.

My question is from Assessment of Relative Stability Using Nyquist Criterion topic in division Stability in Frequency Domain of Control Systems

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Best answer
Right option is (d) Fourth quadrant

The best I can explain: Polar plot of the given transfer function lies in the fourth quadrant.

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