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Home ‣ Electrical Engineering ‣ Passive Filters Comments
  • Question

  • A band-pass filter rejects all frequencies within a band between a lower and an upper critical frequency and passes all others.


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  • A. True
  • B. False

  • Correct Answer
  • False 

    • Passive Filters problems

    Search Results

    • 1. A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. In an RL low-pass filter, the output voltage is taken across the inductor and the output lags the input.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. In an RC low-pass filter, the output voltage is taken across the resistor and the output lags the input voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. In an RL circuit, part of the power is resistive and part is reactive.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The impedance of an RL circuit varies inversely with frequency.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The output voltage is 63.3% of its maximum at the critical frequencies.

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    • A. True
    • B. False
      • Discuss
    • 8. In an RC high-pass filter, the output is taken across the resistor and the output leads the input.

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    • A. True
    • B. False
      • Discuss
    • 9. Critical frequencies are also called ?3 dB frequencies.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The roll-off rate of a basic RC or RL filter is 20 dB per decade.

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

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