1
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Let the magnitude of the gain in the inverting op - amp amplifier circuit shown be $$x$$ with switch $${S_1}$$ open. When the switch $${S_1}$$ is closed, the magnitude of gain becomes. GATE EE 1996 Analog Electronics - Operational Amplifier Question 50 English
A
$$x/2$$
B
$$-x$$
C
$$2$$ $$x$$
D
$$-2$$ $$x$$
2
GATE EE 1995
Fill in the Blanks
+1
-0
The common mode voltage of a unity gain (voltage follower) op-amp buffer in terms of its output voltage $${V_0}$$ is __________.
3
GATE EE 1994
Fill in the Blanks
+1
-0
Given figure, shows a non - inverting op - amp summer with $${V_1} = 2\,V$$ and $${V_2} = \, - 1V.$$ The output voltage $${V_0} = \_\_\_\_\_$$ GATE EE 1994 Analog Electronics - Operational Amplifier Question 52 English
4
GATE EE 1992
MCQ (More than One Correct Answer)
+1
-0.3
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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