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Home ‣ Electronics ‣ RLC Circuits and Resonance Comments
  • Question

  • Voltage lags current in an RLC circuit when it acts:


  • Options
  • A. capacitively
  • B. resistively
  • C. inductively
  • D. resonantly

  • Correct Answer
  • capacitively 

    • RLC Circuits and Resonance problems

    Search Results

    • 1. 

      What is the total current for the nonideal circuit in the given circuit. If it is at resonance?


    • Options
    • A. 0 A
    • B. 284 µ A
    • C. 3.3 mA
    • D. 38.5 mA
      • Discuss
    • 2. What is the resonance frequency?


    • Options
    • A. 31.8 Hz
    • B. 71 Hz
    • C. 7.1 kHz
    • D. 31.8 kHz
      • Discuss
    • 3. 

      What is the impedance of the circuit in the given circuit?


    • Options
    • A. 125.7 Ω
    • B. 297.6 Ω
    • C. 370.1 Ω
    • D. 423.3 Ω
      • Discuss
    • 4. Series RLC impedance or voltage totals must always be calculated by

    • Options
    • A. adding values vectorially
    • B. graphing the angles
    • C. multiplying the values
    • D. subtracting the values
      • Discuss
    • 5. What effect will a parallel tank have upon final filter current?

    • Options
    • A. very little
    • B. The bandpass frequencies will change.
    • C. The frequency cutoff will change.
    • D. The impedance will block output.
      • Discuss
    • 6. What is the power factor?


    • Options
    • A. 0.279
    • B. 0.479
    • C. 0.679
    • D. 0.879
      • Discuss
    • 7. 

      What is the resonant frequency in the given circuit?


    • Options
    • A. 6.5 kHz
    • B. 53.7 kHz
    • C. 107.4 kHz
    • D. 18.1 MHz
      • Discuss
    • 8. What is the total impedance of a 60 Hz series RLC circuit when XL = 7.5 ohms, XC = 265.3 ohms, and R = 33 ohms?

    • Options
    • A. 257.8 ohms
    • B. 259.9 ohms
    • C. 290.8 ohms
    • D. 1989.75 ohms
      • Discuss
    • 9. What is the bandwidth of the circuit?


    • Options
    • A. 31.8 Hz
    • B. 32.3 Hz
    • C. 142 Hz
    • D. 7.2 kHz
      • Discuss
    • 10. What is the approximate phase angle in a series RLC circuit when VC = 117 V, VR = 14.5 V, and VL = 3.3 V?

    • Options
    • A. ?45.0 degrees
    • B. ?82.7 degrees
    • C. ?90.0 degrees
    • D. ?172.7 degrees
      • Discuss

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