1
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In the differential amplifier shown in the figure, the magnitudes of the common-mode and differential-mode gains are 𝐴cm and 𝐴d, respectively. If the resistance RE is increased, then GATE ECE 2014 Set 2 Analog Circuits - Operational Amplifier Question 70 English
A
𝐴cm increases.
B
common-mode rejection ratio increases.
C
𝐴d increases.
D
common-mode rejection ratio decreases.
2
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
In the circuit shown below, what is the output voltage (vout ) if a silicon transistor Q and an ideal op-amp are used?GATE ECE 2013 Analog Circuits - Operational Amplifier Question 72 English
A
-15 V
B
-0.7 V
C
+0.7 V
D
+15 V
3
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
The circuit below implements a filter between the input current ii and the output voltage v0. Assume that the op-amp- is ideal, The filter implemented is a GATE ECE 2011 Analog Circuits - Operational Amplifier Question 73 English
A
low pass filter
B
band pass filter
C
band stop filter
D
high pass filter
4
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
Assuming the OP-AMP to be ideal, the voltage gain of the amplifier shown below is GATE ECE 2010 Analog Circuits - Operational Amplifier Question 75 English
A
$$ - {{{R_2}} \over {{R_1}}}$$
B
$$ - {{{R_3}} \over {{R_1}}}$$
C
$$ - \left[ {{{\left. {{R_{2\,}}} \right\|{R_3}} \over {{R_1}}}} \right]\,$$
D
$$ - \left[ {{{{R_2} + {R_3}} \over {{R_1}}}} \right]$$
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