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RLC Circuits and Resonance problems

  • 1. What is the power factor?

    Electronics RLC Circuits and Resonance: What is the power factor?

  • Options
  • A. 0.279
  • B. 0.479
  • C. 0.679
  • D. 0.879
    • Discuss
  • 2. Electronics RLC Circuits and Resonance: What is the reso

    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
  • 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 bandwidth of the circuit?

    Electronics RLC Circuits and Resonance: What is the bandwidth of the circuit?

  • Options
  • A. 31.8 Hz
  • B. 32.3 Hz
  • C. 142 Hz
  • D. 7.2 kHz
    • Discuss
  • 5. 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
  • 6. 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
  • 7. Electronics RLC Circuits and Resonance: What is the band

    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
  • 8. What is the voltage across R1, C1, and L1?

    Electronics RLC Circuits and Resonance: 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
  • 9. 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
  • 10. 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

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