1. Assertion (A): The root locus of a control system is symmetrical about real axis.Reason (R): For all polynomials with real coefficients, complex poles always occur in conjugate pairs.





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MCQ->Assertion (A): The root locus of a control system is symmetrical about real axis.Reason (R): For all polynomials with real coefficients, complex poles always occur in conjugate pairs.

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MCQ->Consider the following statements about root locus The root locus is symmetrical about real axis.If a root locus branch moves along the real axis from an open loop pole to zero or to infinity, this root locus branch is called real root branch.The breakaway points of the root locus are the solutions of Which statements out of above are correct?....
MCQ->Consider the following statements about root locus The intersection of root locus branches with the imaginary axis can be determined by the use of Routh criterionSegments of real axis having an odd number of real axis open loop poles plus zeros to their right are not parts of root locusThe number of root locus branches terminating on infinity is always zero Which of the above statements are correct?....
MCQ->Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.Reason (R): All root locus asymptotes intersect on real axis.

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MCQ->Assertion (A): The part of root locus on the real axis is not dependent on the poles and zeros which are not on the real axis.Reason (R): Poles and zeros which are not on the real axis occur in conjugate pairs

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