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Gate 2019: Control System Quiz 6
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Question 1
The root locus of a unity feedback control system is shown below
The open loop transfer function of the system is
The open loop transfer function of the system is
Question 2
Find the number of poles and zeros in the asymptotic bode plot
Question 3
A feedback control system has an open loop transfer function.
The maximum value of ‘K’ for closed loop system stability is _________
The maximum value of ‘K’ for closed loop system stability is _________
Question 4
The Bode plot of a non-minimum phase system is shown below
The transfer function is
The transfer function is
Question 5
Consider a closed loop transfer function 
with p a positive real parameter. The maximum value of p until which 
remains stable is ________.
with p a positive real parameter. The maximum value of p until which remains stable is ________.Question 6
Consider the Bode plot shown in the figure. Assume that all the poles and zeros are real-valued.
The value of fH – fL (in H’z) is____________.
The value of fH – fL (in H’z) is____________.
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Nov 7ESE & GATE EC
