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WorksheetsOp amp Unit-3
Total questions: 10
Worksheet time: 7mins
An ideal op-amp has
Infinite differential voltage gain
Infinite input resistance
Zero output resistance
All the above
What is the max output voltage that can be observed on the practical op-amp, if an op-amp is supplied with a voltage of ± 15 V?
Does not depend on the supply voltage
Less than 15 V
Grater than 15 V
None of the above
Open loop Bandwidth of 741 op amp is
5 Hz
5 Mhz
1 Mhz
10 Khz
The output of a particular Op-amp increases 8V in 12μs. The slew rate is
90 V/μs
0.67 V/μs
1.5 V/μs
None of these
A certain Non inverting amplifier has R1is 1 kΩ and Rf is 100 kΩ. The closed-loop voltage gain is
100
1000
100,000
101
A voltage follower
has a voltage gain of 1
is Non inverting
has no feedback resistor
has all of these
The Op-amp can amplify
only d.c. signals only
a.c. signals
both a.c. and d.c. signals
Neither d.c. nor a.c. signals
Which concept states that if one input terminal of an op-amp is at zero potential, then the other one also will be at zero potential?
Virtual short
Virtual ground
Zero input current
None of the above
Determine the output voltage from the following circuit diagram?
None of the mentioned
What is the output voltage?
50v
5v
-5v
-50v
