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  • Question

  • 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

  • Correct Answer
  • both series and parallel RC impedance decrease 

    • RC Circuits problems

    Search Results

    • 1. 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
    • 2. 

      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
    • 3. Which of the following is the reference vector for parallel RC circuits?

    • Options
    • A. R
    • B. V
    • C. I
    • D. XC
      • Discuss
    • 4. 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
    • 5. 

      Calculate the phase angle in the given circuit.


    • Options
    • A. 0°
    • B. 90°
    • C. 22.52°
    • D. 67.48°
      • Discuss
    • 6. 

      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
    • 7. 

      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
    • 8. 

      What is the phase angle in the given circuit?


    • Options
    • A. 14.95°
    • B. 36.88°
    • C. 0°
    • D. 90°
      • Discuss
    • 9. 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
    • 10. 

      Calculate the magnitude of the impedance in the given circuit.


    • Options
    • A. 24.1 MΩ
    • B. 10 MΩ
    • C. 26.1 MΩ
    • D. 0 Ω
      • Discuss

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