Electrical Engineering
GATE EE topic:control-systems PYQs
Build your understanding with focused practice from past exam papers.
Questions 51–60 of 63. Imported answers require independent review unless marked reviewed.
Question 34
Open questionEEMCQ2 marksNeeds review
The number of roots of the polynomial
, in the open left half of the complex plane isYour answerChoose one option.
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Open questionEENAT2 marksNeeds review
The unit step response
of a unity feedback system with open loop transfer function
is shown in the figure. The value of
is ______ (up to 2 decimal places). 
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Open questionEE-2MCQ1 markNeeds review
When a unit ramp input is applied to the unity feedback system having closed loop transfer function
, the steady state error will beYour answerChoose one option.
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Open questionEE-2MCQ1 markNeeds review
The transfer function
of a compensator is given below.
The frequency range in which the phase (lead) introduced by the compensator reaches the maximum is
Your answerChoose one option.
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Open questionEEMCQ1 markNeeds review
A closed loop system has the characteristic equation given by
. For this system to be stable, which one of the following conditions should be satisfied?Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 22
Open questionEENAT1 markNeeds review
Consider the unity feedback control system shown. The value of
that results in a phase margin of the system to be 30° is _____. (Give the answer up to two decimal places). 
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Open questionEEMCQ2 marksNeeds review
In the system whose signal flow graph is shown in the figure,
and
are inputs. The transfer function
is 
Your answerChoose one option.
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Open questionEEMCQ2 marksNeeds review
The transfer function of the system
whose state-space equations are given below is:
Your answerChoose one option.
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Open questionEE-2MCQ2 marksNeeds review
The root locus of the feedback control system having the characteristic equation
where
, enters into the real axis atYour answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 35
Open questionEE-2MCQ2 marksNeeds review
The range of
for which all the roots of the equation
are in the left half of the complex
-plane isYour answerChoose one option.
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