1
GATE EE 2010
+1
-0.3
Given that the op-amp is ideal, the $$O/P$$ voltage $${V_0}$$ is
A
$$4V$$
B
$$6V$$
C
$$7.5V$$
D
$$12.12V$$
2
GATE EE 2010
+1
-0.3
As shown in the figure, a negative feedback system has an amplifier of gain $$100$$ with $$\pm 10\%$$ tolerance in the forward path, and an attenuator of value $$9/100$$ in the feedback path. The overall system gain is approximately.
A
$$10 \pm 1\%$$
B
$$10 \pm 2\%$$
C
$$10 \pm 5\%$$
D
$$10 \pm 10\%$$
3
GATE EE 2010
+1
-0.3
For the system $${2 \over {\left( {s + 1} \right)}},$$ the approximate time taken for a step response to reach $$98$$% of its final value is
A
$$1\,s$$
B
$$2\,s$$
C
$$4\,s$$
D
$$8\,s$$
4
GATE EE 2010
+2
-0.6
The characteristic equation of a closed-loop system is $$s\left( {s + 1} \right)\left( {s + 3} \right) + \,\,k\left( {s + 2} \right) = 0,\,\,k > 0.$$

Which of the following statements is true?

A
Its roots are always real
B
It cannot have a breakaway point in the range $$- 1 < {\mathop{\rm Re}\nolimits} \left[ s \right] < 0$$
C
Two of its roots tend to infinity along the asymptotes $${\mathop{\rm Re}\nolimits} \left[ s \right] = - 1$$
D
It may have complex roots in the right half plane
GATE EE Papers
2023
2022
2021
2020
2019
2018
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
EXAM MAP
Medical
NEET