1
GATE EE 2007
MCQ (Single Correct Answer)
+1
-0.3
The system shown in the figure is GATE EE 2007 Control Systems - Routh Hurwitz Stability Question 3 English
A
stable
B
Unstable
C
conditionally stable
D
stable for input $${u_1},$$ but unstable for input $${u_2},$$
2
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
None of the poles of a linear control system lie in the right half of $$s$$-plane. For a bounded input, the output of this system
A
is always bounded
B
could be unbounded
C
always tends to zero
D
None of the above
3
GATE EE 1995
Fill in the Blanks
+1
-0
Closed loop stability implies that $$\left[ {1 + G\left( s \right)H\left( s \right)} \right]$$ has only ____________ in the left half of the $$s$$-plane.
4
GATE EE 1994
Numerical
+1
-0
The number of positive real roots of the equation $${s^3} - 2s + 2 = 0$$ is __________.
Your input ____
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