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GATE 2025 Control Systems Foundation Quiz 63

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Question 1

If open loop transfer function of a unity feedback control system is , the value of gain k for the damping ratio z to be 0.707 by taking the dominant poles is _____

Question 2

The root locus of a unity feedback system is shown below

The point at which RLD crosses imaginary axis at

Question 3

Let the open loop transfer function of a negative feedback closed loop system be where k is a non negative real valued parameter which one of following statements is true about the locus of the closed loop poles?

Question 4

Consider the open loop transfer function of an unity feedback system with the angle of arrival of the root loci s = –3 j is in degree is

Question 5

For the system given below the breakaway point on RLD are

G(s) H(s) =

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Apr 2ESE & GATE EC