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RC Circuits problems

  • 1. In parallel RC circuits, the larger the value of C, the larger the phase angle.

  • Options
  • A. True
  • B. False
    • Discuss
  • 2. If the bandwidth of an RC low-pass filter is 20 kHz, the cutoff frequency is also 20 kHz.

  • Options
  • A. True
  • B. False
    • Discuss
  • 3. A 10 kΩ capacitive reactance equals a 100 µS capacitive susceptance.

  • Options
  • A. True
  • B. False
    • Discuss
  • 4. The output voltage from an RC high-pass filter increases as the frequency decreases.

  • Options
  • A. True
  • B. False
    • Discuss
  • 5. When a series RC circuit is used as a low-pass filter, the output is taken from across the capacitor.

  • Options
  • A. True
  • B. False
    • Discuss
  • 6. If a 100 Ω resistance is connected to a 100 Ω capacitive reactance in a series RC circuit, the impedance equals 200 Ω.

  • Options
  • A. True
  • B. False
    • Discuss
  • 7. If the frequency increases in a parallel RC circuit, the phase angle decreases.

  • Options
  • A. True
  • B. False
    • Discuss
  • 8. Electronics RC Circuits: The phase angle

    The phase angle in the given circuit equals___.


  • Options
  • A. 90°
  • B. 36.87°
  • C. 0°
  • D. 53.13°
    • Discuss
  • 9. Electronics RC Circuits: Connecting the

    Connecting the oscilloscope as shown in the given figure will _____.


  • Options
  • A. measure the voltage across the source
  • B. measure the voltage across C1, R2, and C2
  • C. short R1
  • D. short C1, R2, and C2
    • Discuss
  • 10. Electronics RC Circuits: If the given ci

    If the given circuit is used as a filter, the cutoff frequency is _____.


  • Options
  • A. 5 kHz
  • B. 14.47 kHz
  • C. less than 5 kHz
  • D. more than 20 kHz


    • Discuss

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