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Operational Amplifiers MCQ Test

  1. What is the main purpose of an operational amplifier?
  2. The tail current of a differential amplifier is ___.
  3. The node voltage at the top of the til resistor is closes to zero.
  4. The tail current in a differential amplifier equals ___.
  5. What is the another name for a unity gain amplifier?
  6. A series dissipative regulator is an example of a ___.
  7. The major difference between ground and virtual ground is:
  8. OPAMP is a/an:
  9. Is Bandwidth of an ideal op-amp infinite?
  10. CMRR stands for which of the following?
  11. What is operational amplifier?
  12. Differential amplifiers are used in Instrumentation amplifiers.
  13. The output voltage of the op-amp Vout is given by the equation:
  14. The input offset current equals the ___________.
Last Updated: Jun 08, 2021,
Posted in Interview Questions,
25 Questions
Operational Amplifiers MCQ

Practice Operational Amplifiers MCQ Test & Online Quiz to Test Your Knowledge

We have listed below the Operational Amplifiers MCQs that checks your basic knowledge of Operational Amplifiers. This Operational Amplifiers MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to the question to check your final preparation for the Operational Amplifiers/Electrical Engineering Exams. Finally, you can also download below the Operational Amplifiers MCQ PDF completely free.

  • The basic role of an operational amplifier is to amplify and output the voltage difference between the two input pins.
  • The basic role of an operational amplifier is to input the voltage difference between the two input pins.
  • Both A and B
  • None of the above
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  • half of either collector current
  • equal to either collector current
  • two times either collector current
  • equal to the difference in base currents
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  • difference between two emitter currents
  • sum of two emitter currents
  • collector current divided by current gain
  • collector voltage divided by collector resistance
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  • Difference amplifier
  • Comparator
  • Single ended
  • Voltage follower
Download Free : Operational Amplifiers MCQ PDF
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  • linear regulator
  • switching regulator
  • shunt regulator
  • dc-to-dc converter
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  • Virtual ground is only a voltage reference.
  • Virtual ground is only a current reference
  • Virtual ground is only a power reference
  • None of the above
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  • Differential amplifier
  • Oscillator
  • Rectifier
  • None of the above
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  • Central Mode Rejection Ratio
  • Cross Mode Rejection Ratio
  • Common Model Rejection Ratio
  • Common Mode Rejection Ratio
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  • simply a linear Integrated Circuit (IC) having multiple-terminals
  • simply a hyper Integrated Circuit (IC) having multiple-terminals
  • simply a cross Integrated Circuit (IC) having multiple-terminals
  • None of the above
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  • Vout = AOL (V+ * V–)
  • Vout = AOL (V+/ V–)
  • Vout = AOL (V+ + V–)
  • Vout = AOL (V+ – V–)
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  • difference between two base currents
  • average of two base currents
  • collector current divided by current gain
  • None of the above
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  • Maximum rate of change of output voltage with time
  • Minimum rate of change of output voltage with time
  • Moderate rate of change of output voltage with time
  • None of the above
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  • Infinite voltage gain
  • Infinite bandwidth
  • Infinite output resistance
  • Infinite slew rate
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  • Signals can be amplified without attenuation
  • Output can drive infinite number of device
  • Output voltage occurs simultaneously with input voltage changes
  • Output common-mode noise voltage is zero
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  • to control the output voltage
  • to obtain finite output voltage
  • to receive zero noise output voltage
  • None of the above
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  • Operand amplitude
  • Operational Amplifier
  • Operational amplitude
  • None of the above
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  • Linear
  • Non-linear
  • Frequency-dependent
  • All of the above
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  • Henry
  • David
  • Richard
  • Karl D. Swartzel Jr.
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  • Insta amplifier
  • Interior amplifier
  • Instrumentation amplifier
  • None of the above
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  • Low drift
  • Low DC offset
  • High open-loop gain
  • All of the above
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