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RLC Circuits and Resonance problems

  • 1. Electronics RLC Circuits and Resonance: What is the band

    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
  • 2. 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
  • 3. 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
  • 4. When a full band of frequencies is allowed to pass through a filter circuit to the output, the resonant circuit is called a:

  • Options
  • A. low-pass filter
  • B. high-pass filter
  • C. band-stop filter
  • D. bandpass filter
    • 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. 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
  • 7. Electronics RLC Circuits and Resonance: What is the imp

    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
  • 8. What is the resonance frequency?

    Electronics RLC Circuits and Resonance: What is the resonance frequency?

  • Options
  • A. 31.8 Hz
  • B. 71 Hz
  • C. 7.1 kHz
  • D. 31.8 kHz
    • Discuss
  • 9. Electronics RLC Circuits and Resonance: What is the tota

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

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

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