1
GATE ECE 1999
MCQ (Single Correct Answer)
+2
-0.6
Consider the points s1 = −3 + j4 and s2 = −3 − j2 in the s-plane. Then, for a system with the open loop transfer function
$$$G\left(s\right)H\left(s\right)=\frac K{\left(s+1\right)^4}$$$
2
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Given a unity feedback system with open loop transfer function,
$$$G\left(s\right)=\frac K{s\left(s+1\right)\left(s+2\right)}$$$
The root locus plot of the system is of the form.
3
GATE ECE 1991
MCQ (Single Correct Answer)
+2
-0.6
The characteristic equation of a feedback control system is given by
s3 +5s2 +(K + 6)s + K =0
Where K > 0 is a scalar variable parameter. In the root loci diagram of the system the asymptotes of the root locus for large values of K meet at a point in the s-plane whose coordinates are
s3 +5s2 +(K + 6)s + K =0
Where K > 0 is a scalar variable parameter. In the root loci diagram of the system the asymptotes of the root locus for large values of K meet at a point in the s-plane whose coordinates are
4
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
Consider a closed-loop system shown in fig. (a) below. The root locus for it is shown in fig. (b). The closed-loop transfer function for the system is
Questions Asked from Root Locus Diagram (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform
Communications
Electromagnetics
General Aptitude