1
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The popular plot of the transfer function G(s)=$${{10\left( {s + 1} \right)} \over {\left( {s + 10} \right)}}$$ for $$0 \le \omega < \infty $$ will be in the
A
first quadrant
B
second quadrant
C
third quadrant
D
fourth quadrant
2
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
In a Bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a 4th order all-pole system?
A
– 80 dB/decade
B
– 40 dB/decade
C
+40 dB/decade
D
+80 dB/decade
3
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider the feedback system shown in the figure. The Nyquist plot of G(s) is also shown. Which one of the following conclusions is correct? GATE ECE 2014 Set 1 Control Systems - Frequency Response Analysis Question 50 English 1 GATE ECE 2014 Set 1 Control Systems - Frequency Response Analysis Question 50 English 2
A
G(s) is an all-pass filter.
B
G(s) is a strictly proper transfer function.
C
G(s) is a stable and minimum-phase transfer function.
D
The closed-loop system is unstable for sufficiently large and positive k.
4
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
The Bode plot of a transfer function G (s) is shown in the figure below. GATE ECE 2013 Control Systems - Frequency Response Analysis Question 51 English The gain (20 log $$\left| {G(s)} \right|$$ ) is 32 dB and -8dB at 1rad/s and 10rad/s respectively. The phase is negative for all $$\omega .$$ Then G(s) is
A
$${\textstyle{{39.8} \over s}}$$
B
$${\textstyle{{39.8} \over {{s^2}}}}$$
C
$${\textstyle{{32} \over {{s}}}}$$
D
$${\textstyle{{32} \over {{s^2}}}}$$
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