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Home ‣ Electrical Engineering ‣ RL Circuits Comments
  • Question

  • The impedance of an RL circuit varies inversely with frequency.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • RL Circuits problems

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    • 1. The power factor indicates how much of the apparent power is reactive power.

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    • A. True
    • B. False
      • Discuss
    • 2. In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.

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    • A. True
    • B. False
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    • 3. A filter passes certain frequencies and rejects others.

    • Options
    • A. True
    • B. False
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    • 4. The resistor voltage in an RL circuit is always out of phase with the current.

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    • A. True
    • B. False
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    • 5. In a lag network, the output voltage lags the input voltage in phase.

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

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

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    • A. True
    • B. False
      • Discuss
    • 8. 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
    • 9. A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.

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    • A. True
    • B. False
      • Discuss
    • 10. 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
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