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1

GATE EE 1996

MCQ (Single Correct Answer)
A non inverting op - amp amplifier is shown in figure. The o/p voltage is
A
$${3 \over 2}\,\,\sin 100t$$
B
$$3\,\sin 100t$$
C
$$2\,\sin 100t$$
D
None of these
2

GATE EE 1995

Fill in the Blanks
The common mode voltage of a unity gain (voltage follower) op-amp buffer in terms of its output voltage $${V_0}$$ is __________.

Answer

$${V_0}$$ or $${V_i}$$
3

GATE EE 1994

Fill in the Blanks
Given figure, shows a non - inverting op - amp summer with $${V_1} = 2\,V$$ and $${V_2} = \, - 1V.$$ The output voltage $${V_0} = \_\_\_\_\_$$

Answer

$$1$$ $$V$$
4

GATE EE 1992

MCQ (More than One Correct Answer)
An ideal op-amp is used to make an inverting amplifier. The two input terminals of the op-amp are at the same potential because
A
The two input terminals are directly shorted internally
B
The input impedance of the op-amp is infinity
C
The open-loop gain of the op-amp is infinity
D
$$CMRR$$ is infinity.
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Questions Asked from Operational Amplifier

On those following papers in Marks 1
Number in Brackets after Paper Indicates No. of Questions
GATE EE 2015 Set 2 (2)
GATE EE 2015 Set 1 (2)
GATE EE 2014 Set 3 (1)
GATE EE 2013 (1)
GATE EE 2011 (2)
GATE EE 2010 (1)
GATE EE 2009 (1)
GATE EE 2007 (1)
GATE EE 2006 (1)
GATE EE 2003 (1)
GATE EE 2000 (3)
GATE EE 1997 (2)
GATE EE 1996 (2)
GATE EE 1995 (1)
GATE EE 1994 (1)
GATE EE 1992 (1)

Chapters Map

Diode Circuits and Applications
Frequency Response
Bjt and Mosfet Biasing
555 Timer
Feedback Amplifiers and Oscillator Circuits
Operational Amplifier
Small Signal Modeling

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