1
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
The transfer characteristic for the precision rectifier circuit shown below is (assume ideal OP-AMP and practical diodes) GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English
A
GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English Option 1
B
GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English Option 2
C
GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English Option 3v
D
GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English Option 4
2
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 70 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
$$ - \left[ {{{{R_2} + {R_3}} \over {{R_1}}}} \right]$$
3
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The input resistance Ri of the amplifier shown in the figure is GATE ECE 2005 Analog Circuits - Operational Amplifier Question 71 English
A
30/4 K$$\Omega $$
B
10 K$$\Omega $$
C
40 K$$\Omega $$
D
infinite
4
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
An ideal Op-Amp is an ideal
A
voltage controlled current source
B
voltage controlled voltage source
C
current controlled current source
D
current controlled voltage source
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