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Home ‣ Electronics ‣ RLC Circuits and Resonance Comments
  • Question

  • What is the power factor?

    What is the power factor? 0.279 0.479 0.679 0.879


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

  • Correct Answer
  • 0.879 

    • RLC Circuits and Resonance problems

    Search Results

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

    • Options
    • A. capacitively
    • B. resistively
    • C. inductively
    • D. resonantly
      • Discuss
    • 2. 

      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
    • 3. What is the resonance frequency?


    • Options
    • A. 31.8 Hz
    • B. 71 Hz
    • C. 7.1 kHz
    • D. 31.8 kHz
      • Discuss
    • 4. 

      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
    • 5. 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
    • 6. 

      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
    • 7. 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
    • 8. What is the bandwidth of the circuit?


    • Options
    • A. 31.8 Hz
    • B. 32.3 Hz
    • C. 142 Hz
    • D. 7.2 kHz
      • Discuss
    • 9. 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
    • 10. How much current will flow in a 100 Hz series RLC circuit if VS = 20 V, RT = 66 ohms, and XT = 47 ohms?

    • Options
    • A. 1.05 A
    • B. 303 mA
    • C. 247 mA
    • D. 107 mA
      • Discuss

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