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Home ‣ Electronics ‣ RLC Circuits and Resonance Comments
  • Question

  • 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

  • Correct Answer
  • 247 mA 

    • RLC Circuits and Resonance problems

    Search Results

    • 1. 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
    • 2. What is the bandwidth of the circuit?


    • Options
    • A. 31.8 Hz
    • B. 32.3 Hz
    • C. 142 Hz
    • D. 7.2 kHz
      • Discuss
    • 3. 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
    • 4. 

      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
    • 5. What is the power factor?


    • Options
    • A. 0.279
    • B. 0.479
    • C. 0.679
    • D. 0.879
      • Discuss
    • 6. 

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


    • Options
    • A. 11.6 Hz
    • B. 275.9 Hz
    • C. 1.5 kHz
    • D. 3.2 kHz
      • Discuss
    • 7. What is the voltage across R1, C1, and L1?


    • Options
    • A. VR = 156 V, VC = 165 V, VL = 441 V
    • B. VR = 178 V, VC = 187 V, VL = 503 V
    • C. VR = 219 V, VC = 232 V, VL = 619 V
    • D. VR = 260 V, VC = 276 V, VL = 735 V
      • Discuss
    • 8. What is the true power consumed in a 30 V series RLC circuit if Z = 20 ohms and R = 10 ohms?

    • Options
    • A. 15.0 watts
    • B. 22.5 watts
    • C. 30.0 watts
    • D. 45.0 watts
      • Discuss
    • 9. At any resonant frequency, what voltage is measured across the two series reactive components?

    • Options
    • A. applied
    • B. reactive
    • C. zero
    • D. inductive and capacitive
      • Discuss
    • 10. 

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


    • Options
    • A. 1.05 kΩ
    • B. 1.33 kΩ
    • C. 2.19 kΩ
    • D. 3.39 kΩ
      • Discuss

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