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Home ‣ Electronics ‣ RLC Circuits and Resonance Comments
  • Question

  • Current in a series RLC circuit may always be used as:


  • Options
  • A. a leading vector
  • B. a reference
  • C. an angle
  • D. a lagging vector

  • Correct Answer
  • a reference 

    • RLC Circuits and Resonance problems

    Search Results

    • 1. What is the current phase angle for a parallel RLC circuit when IL = 15.3 A, IC = 0.43 A, and IR = 3.5 A?

    • Options
    • A. 76.7 degrees
    • B. ?4.25 degrees
    • C. 88.8 degrees
    • D. ?76.7 degrees
      • Discuss
    • 2. What is the total current?


    • Options
    • A. 56.6 mA
    • B. 141 mA
    • C. 191 mA
    • D. 244 mA
      • Discuss
    • 3. Series RLC voltage or impedance totals must be calculated by:

    • Options
    • A. subtracting the values
    • B. graphing the angles
    • C. adding vectors
    • D. multiplying the values
      • Discuss
    • 4. What is the applied voltage for a series RLC circuit when IT = 3 mA, VL = 30 V, VC = 18 V, and R = 1000 ohms?

    • Options
    • A. 3.00 V
    • B. 12.37 V
    • C. 34.98 V
    • D. 48.00 V
      • Discuss
    • 5. What is the band pass (F1 ? F2) of an RLC filter that resonates at 150 kHz and has a coil Q of 30?

    • Options
    • A. 100.0 kHz to 155.0 kHz
    • B. 147.5 kHz to 152.5 kHz
    • C. 295.5 kHz to 4500 kHz
    • D. 149,970 Hz to 150,030 Hz
      • Discuss
    • 6. 

      What is the voltage across the capacitor in the given circuit?


    • Options
    • A. 6.8 V
    • B. 11.9 V
    • C. 16.1 V
    • D. 22.9 V
      • Discuss
    • 7. What is the impedance of the circuit?


    • Options
    • A. 12.2 kΩ
    • B. 14.5 kΩ
    • C. 17.8 kΩ
    • D. 20.3 kΩ
      • Discuss
    • 8. 

      What is the bandwidth in the given circuit. If the winding resistance of the coil is 12 Ω?


    • Options
    • A. 6.4 kHz
    • B. 47.2 kHz
    • C. 53.7 kHz
    • D. 60.2 kHz
      • Discuss
    • 9. What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?

    • Options
    • A. 100.0 kHz to 155.0 kHz
    • B. 147.5 kHz to 152.5 kHz
    • C. 4500 kHz to 295.5 kHz
    • D. 149,970 Hz to 150,030 Hz
      • Discuss
    • 10. Which statement best describes reactance in a series RLC circuit?

    • Options
    • A. Capacitive reactance is always dominant.
    • B. Inductive reactance is always dominant.
    • C. Resistance is always dominant.
    • D. The larger of the two reactances is dominant.
      • Discuss

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