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Home ‣ Electronics ‣ RLC Circuits and Resonance See What Others Are Saying!
  • Question

  • When inductive and capacitive reactance are present in the same series circuit, the magnitude of the total reactance is equal to the sum of the magnitudes of the individual reactances.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • More questions

    • 1. The opposition to ac by an inductor is directly proportional to ___.

    • Options
    • A. resistance
    • B. reactance
    • C. frequency
    • D. voltage
      • Discuss
    • 2. An air-core inductor has a metal core.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. 

      What would these meter readings indicate about the circuit in the given circuit?

      Meter Readings: I = 10 mA, V = 12 V


    • Options
    • A. R1 is open.
    • B. R2 is open.
    • C. The fuse is open.
    • D. The circuit is operating normally.
      • Discuss
    • 4. 

      If the voltmeter indicates 12 V in the given circuit, the voltage across R2 equals ___.


    • Options
    • A. 12 V
    • B. VS minus 12 V
    • C. 0 V
    • D. More information is needed to find the voltage across R2.
      • Discuss
    • 5. If a 220 Ω, a 100 Ω, and a 180 Ω resistor are connected in series across a 12 V source, the circuit current equals ___.

    • Options
    • A. 41.67 A
    • B. 120 mA
    • C. 500 A
    • D. 24 mA
      • Discuss
    • 6. 

      What is the power in the given circuit?


    • Options
    • A. 3.92 kW
    • B. 280 W
    • C. 28.6 W
    • D. 9.8 W
      • Discuss
    • 7. Doubling the voltage across a resistor will cut the current by half.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Common-mode signals have _____.

    • Options
    • A. the same amplitude
    • B. the same phase
    • C. the same frequency
    • D. All of the above
      • Discuss
    • 9. If you borrow from a position that contains a 0, you must borrow from the more significant bit that contains a 1. All 0s up to that point become 1s, and the digit last borrowed from becomes a 0.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Resistance is the same as impedance in an RC circuit.

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

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