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RLC Circuits and Resonance problems

  • 1. If the value of C in a series RLC circuit is decreased, the resonant frequency

  • Options
  • A. is not affected
  • B. increases
  • C. is reduced to zero
  • D. decreases
    • Discuss
  • 2. The quality factor (Q) is the ratio of true power to apparent power.

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

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

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

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

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

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

  • Options
  • 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.

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

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