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RC Circuits problems

  • 1. Electronics RC Circuits: Calculate the <

    Calculate the phase angle in the given circuit.


  • Options
  • A. 0°
  • B. 90°
  • C. 22.52°
  • D. 67.48°
    • Discuss
  • 2. What is the phase angle for a parallel circuit consisting of a 500 kHz, 5 Vac source with a 47 pF capacitor, and a 4.7 kΩ resistor in parallel?

  • Options
  • A. 55.3°
  • B. ?55.3°
  • C. 34.8°
  • D. ?34.8°
    • Discuss
  • 3. Which of the following is the reference vector for parallel RC circuits?

  • Options
  • A. R
  • B. V
  • C. I
  • D. XC
    • Discuss
  • 4. Electronics RC Circuits: What is the total

    What is the total current in the given circuit?


  • Options
  • A. 0.28 A
  • B. 0.399 A
  • C. 909 A
  • D. 0.2 A
    • Discuss
  • 5. What is the effect of increasing the resistance in a series RC circuit?

  • Options
  • A. There will be no effect at all.
  • B. The current will increase.
  • C. The phase shift will decrease.
  • D. The input voltage will increase.
    • Discuss
  • 6. As frequency increases

  • Options
  • A. both series and parallel RC impedance decrease
  • B. series RC impedance decreases and parallel RC impedance increases
  • C. series RC impedance increases and parallel RC impedance decreases
  • D. both series and parallel RC impedance increase
    • Discuss
  • 7. Electronics RC Circuits: What is the vol

    What is the voltage drop across R1 in the given circuit?


  • Options
  • A. 10 V
  • B. 4.80 V
  • C. 4.00 V
  • D. 5.80 V
    • Discuss
  • 8. Electronics RC Circuits: Which circuit i

    Which circuit is represented by the frequency response curve in the given figure?


  • Options
  • A. High-pass filter
  • B. Low-pass filter
  • C. Band-pass filter
  • D. Band-stop filter


    • Discuss
  • 9. Electronics RC Circuits: What is the

    What is the phase angle in the given circuit?


  • Options
  • A. 14.95°
  • B. 36.88°
  • C. 0°
  • D. 90°
    • Discuss
  • 10. In a 20 Vac series RC circuit, if 20 V is read across the resistor and 40 V is measured across the capacitor, the applied voltage is

  • Options
  • A. 45 Vac
  • B. 50 Vac
  • C. 60 Vac
  • D. 65 Vac
    • Discuss

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