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Home Electrical Engineering RL Circuits Comments

  • Question
  • In an RL circuit, part of the power is resistive and part is reactive.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • RL Circuits problems


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

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The power factor indicates how much of the apparent power is reactive power.

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

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A filter passes certain frequencies and rejects others.

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

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. 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
    • 7. 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
    • 8. A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. A band-pass filter rejects all frequencies within a band between a lower and an upper critical frequency and passes all others.

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


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