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RC Circuits problems

  • 1. In a series RC circuit, the phase difference between the current and the source voltage _____.

  • Options
  • A. depends on the values of R and C
  • B. equals 0°
  • C. equals 90°
  • D. depends on the amplitude of the input voltage
    • Discuss
  • 2. The hypotenuse of the right triangle of a vector diagram for R and XC is _______________.

  • Options
  • A. impedance
  • B. current
  • C. voltage
  • D. power
    • Discuss
  • 3. ______________ is shuttled back and forth between the source and load.

  • Options
  • A. True power
  • B. Reactive power
  • C. Apparent power
  • D. Impedance power
    • Discuss
  • 4. Electronics RC Circuits: The magnitude o

    The magnitude of the impedance in the given circuit equals _____.


  • Options
  • A. 17.14 Ω
  • B. 24 Ω
  • C. 70 Ω
  • D. More information is needed in order to find the impedance.
    • Discuss
  • 5. In a series RC circuit, the phase difference between the capacitor and the resistor voltages ___.

  • Options
  • A. depends on the values of R and C
  • B. equals 0°
  • C. equals 90°
  • D. depends on the value of the input voltage
    • Discuss
  • 6. If a series RC circuit contains a 120 kΩ resistance and a 160 kΩ capacitive reactance, the impedance equals _____.

  • Options
  • A. 280 kΩ
  • B. 120 kΩ
  • C. 160 kΩ
  • D. 200 kΩ
    • Discuss
  • 7. Electronics RC Circuits: The true power

    The true power in the given circuit equals ___.


  • Options
  • A. 48.48 mW
  • B. 296.93 mW
  • C. 280.64 mW
  • D. 96.98 mW
    • Discuss
  • 8. If the impedance equals 2 kΩ in a parallel RC circuit, the admittance equals ___.

  • Options
  • A. More information is needed in order to find the admittance.
  • B. 2 kS
  • C. 4 kS
  • D. 500 µS
    • Discuss
  • 9. When the resistance is greater than the capacitive reactance in a series RC circuit, the phase angle is ___.

  • Options
  • A. 0°
  • B. between 0° and 45°
  • C. between 45° and 90°
  • D. 45°
    • Discuss

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