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Home ‣ Electrical Engineering ‣ RLC Circuits and Resonance Comments
  • Question

  • XL and XC have opposing effects in an RLC circuit.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • RLC Circuits and Resonance problems

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    • 1. A lower Q produces a narrower bandwidth.

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

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

    • Options
    • A. True
    • B. False
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    • 4. The capacitor voltage always leads the current by 90°.

    • Options
    • A. True
    • B. False
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    • 5. The power factor (PF) indicates how much of the apparent power is true power.

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

    • Options
    • A. True
    • B. False
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    • 7. In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.

    • Options
    • A. True
    • B. False
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    • 8. In a series RLC circuit, the current is minimum at resonance.

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    • A. True
    • B. False
      • Discuss
    • 9. The reactive voltages, VL and VC, cancel at resonance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. In a series RLC circuit, the larger reactance determines the net reactance of the circuit.

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    • A. True
    • B. False
      • Discuss

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