1
GATE ECE 2015 Set 2
MCQ (Single Correct Answer)
+2
-0.6
The output of a standard second–order system for a unit step input is given as $$$y\left(t\right)=1-\frac2{\sqrt3}e^{-t}\cos\left(\sqrt3t\;-\;\frac{\mathrm\pi}6\right)$$$ The transfer function of the system is
A
$$\frac2{\left(s+2\right)\left(s+\sqrt3\right)}$$
B
$$\frac1{s^2+2s+1}$$
C
$$\frac3{s^2+2s+3}$$
D
$$\frac4{s^2+2s+4}$$
2
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The damping ratio of a series RLC circuit can be expressed as
A
$$\frac{R^2C}{2L}$$
B
$$\frac{2L}{R^2C}$$
C
$$\frac R2\sqrt{\frac CL}$$
D
$$\frac2R\sqrt{\frac LC}$$
3
GATE ECE 2014 Set 3
Numerical
+2
-0
The steady state error of the system shown in the figure for a unit step input is _______. GATE ECE 2014 Set 3 Control Systems - Time Response Analysis Question 32 English
Your input ____
4
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+2
-0.6
For the following feedback system $$G\left(s\right)=\frac1{\left(s+1\right)\left(s+2\right)}$$.The 2% settling time of the step response is required to be less than 2 seconds. GATE ECE 2014 Set 1 Control Systems - Time Response Analysis Question 9 EnglishWhich one of the following compensators C(s) achieves this?
A
$$3\left(\frac1{s+5}\right)$$
B
$$5\left(\frac{0.03}s+1\right)$$
C
2(s+4)
D
$$4\left(\frac{s+8}{s+3}\right)$$
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