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RL Circuits problems

  • 1. Electronics RL Circuits: Which of the fol

    Which of the following statements is true if R = 100 Ω and XL = 100 Ω in the circuit in the given circuit?


  • Options
  • A. Each component drops 5 V.
  • B. The impedance equals 200 Ω.
  • C. The power factor equals 1.
  • D. The phase angle equals 45°.
    • Discuss
  • 2. What is the true power of a 24 Vac parallel RL circuit when R = 45 Ω and XL = 1100 Ω?

  • Options
  • A. 313.45 W
  • B. 12.8 W
  • C. 44.96 W
  • D. 22.3 W
    • Discuss
  • 3. The phase angle will decrease in a series RL circuit if the inductance is increased.

  • Options
  • A. True
  • B. False
    • Discuss
  • 4. As frequency decreases in a parallel RL circuit the impedance also decreases.

  • Options
  • A. True
  • B. False
    • Discuss
  • 5. The current lags the source voltage in a series RL circuit.

  • Options
  • A. True
  • B. False
    • Discuss
  • 6. Electronics RL Circuits: The circuit in t

    The circuit in the given circuit is a low-pass filter.


  • Options
  • A. True
  • B. False
    • Discuss
  • 7. Electronics RL Circuits: The impedance of

    The impedance of the circuit in the given circuit is 110 Ω .


  • Options
  • A. True
  • B. False
    • Discuss
  • 8. If Y = 20 mS, then Z = 20.

  • Options
  • A. True
  • B. False
    • Discuss
  • 9. For series ac circuits containing both resistance and inductive reactance, total opposition to current can be found by simply adding ohmic values or oppositions to current.

  • Options
  • A. True
  • B. False
    • Discuss
  • 10. If a 7.5 kΩ resistance is connected to a 10 kΩ inductive reactance in a series RL circuit, then the impedance equals 12.5 kΩ .

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

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