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GATE 2023 Control Systems Quiz 14
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Question 1
For a control system given by characteristic equation, s3 + Ks2 + (2K + aK – 1)s + 2aK = 0. The condition for stability is
Question 2
If the plot shown represents the pole-zero plot of open loop transfer function H(s). The value of H(s) at s = 1 is 10. The unity negative feedback closed loop transfer function is
Question 3Multiple Correct Options
DC gain of a transfer function of a system is:
Question 4
A polynomial, s3 + 2s2 – 2s + 4. The number of roots of the polynomial on the open left half of complex s-plane is-
Question 5
The Routh – Hurwitz array is given for a third order characteristic equation as follows
The values of a, b, c, d are respectively, for which the system should be marginally stable
Question 6Multiple Correct Options
The characteristic equation of a system is given as s3 + 9s2 + 4s + k = 0
If the system is marginally stable then
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Nov 4ESE & GATE EE