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Home ‣ Electrical Engineering ‣ Circuit Theorems in AC Analysis See What Others Are Saying!
  • Question

  • Determine the frequency at which the maximum power is transferred from the amplifier to the speaker in the given figure.

    Determine the frequency at which the maximum power is transferred from the amplifier to the speaker


  • Options
  • A. 1,027 Hz
  • B. 10,270 Hz
  • C. 6,330 Hz
  • D. 63,330 Hz

  • Correct Answer
  • 1,027 Hz 

    • More questions

    • 1. Total current in an RC circuit always leads the source voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. In 40 kW, there are

    • Options
    • A. 0.4 mW
    • B. 40,000 W
    • C. 400 W
    • D. 5,000 W
      • Discuss
    • 3. Energy is stored by a capacitor in a magnetic field.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A filter passes all frequencies.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A series circuit acts as a current divider.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A transformer responds only to dc.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A half-watt is equal to how many milliwatts?

    • Options
    • A. 5,000 mW
    • B. 5 mW
    • C. 500 mW
    • D. 50 mW
      • Discuss
    • 8. To step 120 V ac up to 900 V ac, the turns ratio must be

    • Options
    • A. 75
    • B. 750
    • C. 7.5
    • D. 0.13
      • Discuss
    • 9. A transformer consists of two or more cores that are electrically coupled on a common core.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The sum of the currents into a junction is equal to the sum of the currents out of that junction.

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

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