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Home ‣ Electronics ‣ Operational Amplifiers Comments
  • Question

  • An operational amplifier contains a differential amplifier, a voltage amplifier, and an output amplifier.


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  • A. True
  • B. False

  • Correct Answer
  • True 

    • Operational Amplifiers problems

    Search Results

    • 1. This circuit is a voltage follower.


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    • A. True
    • B. False
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    • 2. If the frequency of an astable multivibrator is 54.86 kHz then its period is 1.82 s.

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    • A. True
    • B. False
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    • 3. The voltage-follower amplifier circuit has a fixed voltage gain of approximately 10.

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    • A. True
    • B. False
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    • 4. This circuit is operating in a closed-loop mode.


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    • A. True
    • B. False
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    • 5. The TO-5 operational amplifier package can have 5 pins.

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    • A. True
    • B. False
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    • 6. Changing the input voltage to an op-amp circuit will change its voltage gain.

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    • A. True
    • B. False
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    • 7. A virtual ground is a ground for current, but not for voltage.

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    • A. True
    • B. False
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    • 8. Current actually flows into or out of a virtual ground.

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    • A. True
    • B. False
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    • 9. An open feedback resistor in an inverting or noninverting op-amp circuit can cause severe clipping of the output signal.

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    • A. True
    • B. False
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    • 10. An S-R flip-flop is an example of a bistable multivibrator circuit.

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    • A. True
    • B. False
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