1
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
In the voltage doubler circuit shown in figure, the switch $$' S '$$ is closed at $$t=0$$. Assuming diodes $${D_1}$$ & $${D_2}$$ to be ideal, load resistance to be infinite and initial capacitor voltages to be zero, the steady state voltage across capacitors $${C_1}$$ & $${C_2}$$ will be GATE EE 2008 Analog Electronics - Diode Circuits and Applications Question 10 English
A
$${V_{c1}} = 10V,\,\,{V_{c2}} = 5V$$
B
$${V_{c1}} = 10V,\,\,{C_{c2}} = -5V$$
C
$${V_{c1}} = 5V,\,\,{V_{c2}} = 10V$$
D
$${V_{c1}} = 5V,\,\,{V_{c2}} = -10V$$
2
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
Figure shows a feedback system where $$K>0$$ GATE EE 2008 Control Systems - Routh Hurwitz Stability Question 6 English

The range of $$k$$ for which system is stable will by given by

A
$$0 < K < 30$$
B
$$0 < K < 39$$
C
$$0 < K < 390$$
D
$$K > 390$$
3
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
The transfer function of two compensators are given below: $${C_1} = {{10\left( {s + 1} \right)} \over {\left( {s + 10} \right)}},\,{C_2} = {{s + 10} \over {10\left( {s + 1} \right)}}$$

Which one of the following statements is correct?

A
$${C_1}$$ is lead compensator and $${C_2}$$ is a lag compensator
B
$${C_1}$$ is a lag compensator and $${C_2}$$ is a lead compensator
C
Both $${C_1}$$ and $${C_2}$$ are lead compensator
D
Both $${C_1}$$ and $${C_2}$$ are lag compensator
4
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
The state space equation of a system is described by $$\mathop X\limits^ \bullet = AX + BU,\,\,Y = Cx$$ where $$X$$ is state vector, $$U$$ is input, $$Y$$ is output and $$$A = \left( {\matrix{ 0 & 1 \cr 0 & { - 2} \cr } } \right)\,\,B = \left( {\matrix{ 0 \cr 1 \cr } } \right)\,\,C = \left[ {\matrix{ 1 & 0 \cr } } \right]$$$

The transfer function $$G(s)$$ of this system will be

A
$${s \over {\left( {s + 2} \right)}}$$
B
$${{s + 1} \over {s\left( {s - 2} \right)}}$$
C
$${s \over {\left( {s - 2} \right)}}$$
D
$${1 \over {s\left( {s + 2} \right)}}$$