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Home Electrical Engineering RLC Circuits and Resonance See What Others Are Saying!
  • Question
  • The reactive voltages, VL and VC, cancel at resonance.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • More questions

    • 1. One circuit is equivalent to another, in the context of Thevenin's theorem, when the circuits produce the same voltage.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. A 75 Ω load uses 2 W of power. The output voltage of the power supply is approximately

    • Options
    • A. 120 V
    • B. 1.2 V
    • C. 12 V
    • D. 6 V
    • Discuss
    • 3. A 2 kΩ resistor and a 0.002 µF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is

    • Options
    • A. 84.5 mW
    • B. 845 mW
    • C. 13 mW
    • D. 130 mW
    • Discuss
    • 4. Three 15 mH inductors are in series. The total inductance is

    • Options
    • A. 15 mH
    • B. 30 mH
    • C. 45 mH
    • D. 5 mH
    • Discuss
    • 5. A parallel circuit acts as a current divider.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. A capacitor blocks ac but passes dc.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. Current is measured in

    • Options
    • A. watts
    • B. volts
    • C. henries
    • D. amperes
    • Discuss
    • 8. The number of kilowatts in 135 milliwatts is

    • Options
    • A. 1.35 × 10?4 kW
    • B. 135 × 10?3 kW
    • C. 0.0135 kW
    • D. 0.00135 kW
    • Discuss
    • 9. When the current through a 12 kΩ resistor is 8 mA, the power is

    • Options
    • A. 7.68 mW
    • B. 768 mW
    • C. 7.68 W
    • D. 76.8 W
    • Discuss
    • 10. In an RL circuit, part of the power is resistive and part is reactive.

    • Options
    • A. True
    • B. False
    • Discuss


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