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Home ‣ Electrical Engineering ‣ RC Circuits Comments
  • Question

  • The capacitor voltage always leads the current by 90°.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • RC Circuits problems

    Search Results

    • 1. The power factor (PF) indicates how much of the apparent power is true power.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The circuit phase angle is the angle between the total current and the applied (source) voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The polar form of a complex number consists of a real part and a j part.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Total current in an RC circuit always leads the source voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. An imaginary number is one that exists only in the mind of the mathematician.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The quality factor (Q) is the ratio of true power to apparent power.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A series resonant circuit is commonly called a tank circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. A lower Q produces a narrower bandwidth.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. XL and XC have opposing effects in an RLC circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. At series resonance, the inductive reactance and capacitive reactance are never equal.

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

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