1
GATE ECE 2014 Set 3
+2
-0.6
In the root locus plot shown in the figure, the pole/zero marks and the arrows have been removed. Which one of the following transfer functions has this root locus? A
$$\frac{s+1}{\left(s+2\right)\left(s+4\right)\left(s+7\right)}$$
B
$$\frac{s+4}{\left(s+1\right)\left(s+2\right)\left(s+7\right)}$$
C
$$\frac{s+7}{\left(s+1\right)\left(s+2\right)\left(s+4\right)}$$
D
$$\frac{\left(s+1\right)\left(s+2\right)}{\left(s+4\right)\left(s+7\right)}$$
2
GATE ECE 2007
+2
-0.6
A unity feedback control system has an open-loop transfer function $$G\left(s\right)=\frac K{s\left(s^2+7s+12\right)}$$$The gain K for which s = −1 + j1 will lie on the root locus of this system is: A 4 B 5.5 C 6.5 D 10 3 GATE ECE 2005 MCQ (Single Correct Answer) +2 -0.6 A unity feedback system is given as,$$G\left(s\right)=\frac{K\left(1-s\right)}{s\left(s+3\right)}$$$ indicate the correct root locus diagram.
A B C D 4
GATE ECE 2003
+2
-0.6
The root locus of the system $$G\left(s\right)H\left(s\right)=\frac K{s\left(s+2\right)\left(s+3\right)}$$\$ has the break-away point located at
A
(-0.5,0)
B
(-2.548,0)
C
(-4,0)
D
(-0.784,0)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics
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