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- Subject
- OP-AMP Circuitselectrical-engineering-mcqs › op-amp-circuits
- Published
- 17 Dec 2018
- Last updated
- 28 May 2026
Explanation
Differential amplifiers are mainly employed in instrumentation amplifiers due to their ability to amplify the difference between two input signals while rejecting common-mode noise. They are not typically used as voltage followers, voltage regulators, or buffers.
More OP-AMP Circuits MCQs
Practice related questions from the same subject.
- 1.An operational amplifier has a slew rate of 5 V/μs. What is the maximum peak output voltage of a sine wave at a frequency of 1 MHz that the amplifier can produce without distortion?
- 2.Given a 741 operational amplifier with a gain-bandwidth product of 1 MHz, what is the -3 dB bandwidth of a non-inverting amplifier configured with this op-amp and a voltage gain of 20 dB?
- 3.Why is a differential amplifier consistently employed at the input stage of operational amplifiers?
- 4.Consider the ideal op-amp circuit shown in the figure. If the input voltage Vi is a triangular waveform, what will be the shape of the output voltage V0?
- 5.If a differential amplifier has a differential gain of 20,000 and a Common Mode Rejection Ratio (CMRR) of 80 dB, what is the value of the common mode gain?
- 6.Which type of amplifier is commonly utilized in a digital-to-analog converter?
- 7.What type of output does an op-amp integrator produce when a step input is applied?
- 8.Which statement accurately describes an ideal operational amplifier?
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