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Home ‣ Electronics ‣ RLC Circuits and Resonance Comments
  • Question

  • Series resonance happens when _____.


  • Options
  • A. XC = XC
  • B. XL = XC
  • C. XL = XB
  • D. XT = R

  • Correct Answer
  • XL = XC 

    • RLC Circuits and Resonance problems

    Search Results

    • 1. 

      The output voltage at the resonant frequency is _____ in the given circuit.


    • Options
    • A. 0 V
    • B. 557 mV
    • C. 6.08 V
    • D. 6.5 V
      • Discuss
    • 2. A parallel tuned circuit can be used to couple energy from one circuit to another.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The greater the selectivity, the wider the bandwidth.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The impedance is 160 Ω.


    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Resonance will occur when XC = XL in the circuit below.


    • Options
    • A. True
    • B. False
      • Discuss
    • 6. When a parallel tank circuit is used in series with an output load resistor the filter is ______.

    • Options
    • A. low-pass
    • B. band-stop
    • C. band-pass
    • D. high-pass
      • Discuss
    • 7. 

      The phase angle is ______ in the given circuit.


    • Options
    • A. 27.6°
    • B. 62.4°
    • C. 74.1°
    • D. 76.1°
      • Discuss
    • 8. 

      The output voltage at the resonant frequency is ______ in the given circuit. If a 10 kΩ load is connected.


    • Options
    • A. 553 mV
    • B. 5.65 V
    • C. 6.01 V
    • D. 6.5 V


      • Discuss
    • 9. The ___ of a circuit describes the ability of that circuit to respond to certain frequencies while rejecting all others.

    • Options
    • A. bandwidth
    • B. selectivity
    • C. sensitivity
    • D. quality factor
      • Discuss
    • 10. At frequencies well above and below the resonant frequency, the series RLC circuit looks ______ and the parallel RLC circuit looks ______.

    • Options
    • A. like a short, like an open
    • B. like an open, like a short
    • C. inductive, capacitive
    • D. capacitive, inductive
      • Discuss

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