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Home ‣ Electrical Engineering ‣ Passive Filters See What Others Are Saying!
  • Question

  • A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?


  • Options
  • A. 10.9 V
  • B. 1.09 V
  • C. 1.1 V
  • D. 12 V

  • Correct Answer
  • 10.9 V 

    • More questions

    • 1. A transformer consists of two or more cores that are electrically coupled on a common core.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. 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
    • 3. A practical current source has a finite internal resistance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. When converting 7,000 nA to microamperes, the result is

    • Options
    • A. 0.007 µA
    • B. 0.7 µA
    • C. 700 µA
    • D. 7 µA
      • Discuss
    • 5. A series circuit has a 24 V source and a total resistance of 120 Ω. The current through each resistor is

    • Options
    • A. 24 mA
    • B. 200 mA
    • C. 120 mA
    • D. 20 mA
      • Discuss
    • 6. In a parallel circuit, the branch with the lowest resistance has the most current.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. How many degrees are there in Π/3 rad?

    • Options
    • A. 6°
    • B. 60°
    • C. 180°
    • D. 27°
      • Discuss
    • 8. In an electric circuit, the reaction of a circuit to a given pulse input is known as the pulse response.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. When an open circuit occurs in a parallel branch, the total resistance decreases.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The quantity 43 × 10-3 is the same as

    • Options
    • A. 0.043
    • B. 0.430
    • C. 430
    • D. 43,000
      • Discuss

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