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Home ‣ Electronics ‣ Operational Amplifiers See What Others Are Saying!
  • Question

  • Common-mode signals have _____.


  • Options
  • A. the same amplitude
  • B. the same phase
  • C. the same frequency
  • D. All of the above

  • Correct Answer
  • All of the above 

    • More questions

    • 1. 

      The phase angle is ______ in the given circuit.


    • Options
    • A. 34.5°
    • B. 43.3°
    • C. 46.7°
    • D. 55.5°
      • Discuss
    • 2. In order for feedback oscillators to have any practical value, the gain has to be

    • Options
    • A. < 1
    • B. self-adjusting
    • C. stabilized
    • D. nonlinear
      • Discuss
    • 3. If 5 V and 16 V power supplies are connected in series-opposing, what is the total voltage?

    • Options
    • A. 11 V
    • B. 16 V
    • C. 21 V
    • D. 80 V
      • Discuss
    • 4. The number 560,000 is expressed in scientific notation.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A 2% 55 kΩ resistor would have a color coding of green, green, black, red, red.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. 

      Which is a true statement about the circuit in the given circuit?


    • Options
    • A. The batteries are series-aiding and the total source voltage equals 21 V.
    • B. The batteries are series-opposing and the total source voltage equals 3 V.
    • C. The batteries are series-aiding and the total source voltage equals 3 V.
    • D. The batteries are series-opposing and the total source voltage equals 21 V.
      • Discuss
    • 7. 

      Which circuit is known as a current-to-voltage converter?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 8. 

      The total resistance in the given circuit is _____.


    • Options
    • A. greater than 8 kΩ
    • B. 58 kΩ
    • C. 4.8 kΩ
    • D. greater than 30 kΩ
      • Discuss
    • 9. 

      The total resistance in the given circuit can be found using the formula:

      RT = R1 + R2 || R3 || R4.


    • Options
    • A. True
    • B. False
      • Discuss
    • 10. In a dc circuit, the only conversion of energy to heat is in the inductance of the coil itself.

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

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