logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics ‣ Operational Amplifiers Comments
  • Question

  • An inverting amplifier has a phase shift of 180° from input to output.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Operational Amplifiers problems

    Search Results

    • 1. 

      The output voltage is _____ at the resonant frequency in the given circuit.


    • Options
    • A. 0 mV
    • B. 31.4 mV
    • C. 66.5 mV
    • D. 380 mV
      • Discuss
    • 2. 

      The voltage across the inductor is ______ in the given circuit.


    • Options
    • A. 6.5 V
    • B. 12.4 V
    • C. 14 V
    • D. 50 V
      • Discuss
    • 3. 

      The phase angle is ______ in the given circuit.


    • Options
    • A. 34.5°
    • B. 43.3°
    • C. 46.7°
    • D. 55.5°
      • Discuss
    • 4. 

      The total circuit current is _____ in the given circuit.


    • Options
    • A. 1.52 mA
    • B. 1.61 mA
    • C. 2.21 mA
    • D. 2.71 mA
      • Discuss
    • 5. The ______ of a circuit describes the ability of that circuit to respond to certain frequencies while rejecting all others.

    • Options
    • A. bandwidth
    • B. selectivity
    • C. sensitivity
    • D. quality factor
      • Discuss
    • 6. If an input signal is applied to the inverting input of an op-amp with the noninverting input grounded, the output signal would be opposite in polarity to the input.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by 2.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The ideal output impedance for an operational amplifier is 0 Ω.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Crystal oscillator circuits have a very low Q.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Feedback is used in an open-loop operational amplifier circuit.

    • Options
    • A. True
    • B. False
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.