1
GATE ECE 2011
+1
-0.3
For the transfer function G$$\left( {j\omega } \right) = 5 + j\omega ,$$ the corresponding Nyquist plot for positive frequency has the form
A
B
C
D
2
GATE ECE 2010
+1
-0.3
A system with the transfer function $${{Y(s)} \over {X(s)}} = {s \over {s + p}},$$ has an output y(t)=$$\cos \left( {2t - {\pi \over 3}} \right),$$ for input signal x(t)=$$p\cos \left( {2t - {\pi \over 2}} \right).$$ Then the system parameter 'p' is
A
$$\sqrt 3$$
B
$${2 \over {\sqrt 3 }}$$
C
1
D
$${{\sqrt 3 } \over 2}$$
3
GATE ECE 2010
+1
-0.3
For the asymptotic Bode magnitude plot shown below, the system transfer function can be
A
$${{10s + 1} \over {0.1s + 1}}$$
B
$${{100s + 1} \over {0.1s + 1}}$$
C
$${{100s} \over {10s + 1}}$$
D
$${{0.1s + 1} \over {10s + 1}}$$
4
GATE ECE 2007
+1
-0.3
If the closed-loop transfer function of a control system is given as T(s)=$${{s - 5} \over {(s + 2)(s + 3)}},$$ then it is
A
an unstable system
B
an uncontrollable system
C
a minimum phase system
D
a non-minimum phase system
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