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Home ‣ Electrical Engineering ‣ Series Circuits See What Others Are Saying!
  • Question

  • The term series opposing means that sources are in series with opposite polarities.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • More questions

    • 1. A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is

    • Options
    • A. 152.6 Ω
    • B. 1,526 Ω
    • C. 1,200 Ω
    • D. 942 Ω
      • Discuss
    • 2. For 12 V and 40 mA, the power is

    • Options
    • A. 480 mW
    • B. 0.480 W
    • C. 480,000 µW
    • D. all of the above
      • Discuss
    • 3. Determine VTH when R1 is 180 Ω and XL is 90 Ω.


    • Options
    • A. 135∠63.4° V
    • B. 13.5∠63.4° V
    • C. 12.2∠0° V
    • D. 122∠0° V
      • Discuss
    • 4. When the frequency of the source voltage decreases, the impedance of a parallel RC circuit

    • Options
    • A. increases
    • B. decreases
    • C. does not change
    • D. decreases to zero
      • Discuss
    • 5. Referring to the given circuit, what is VTH if VS = 12∠0° V?


    • Options
    • A. 4.69∠38.7° V
    • B. 9.38∠38.7° V
    • C. 12∠0° V
    • D. 6∠0° V
      • Discuss
    • 6. When the frequency of the voltage applied to a series RL circuit is decreased, the impedance

    • Options
    • A. decreases
    • B. increases
    • C. does not change
    • D. cannot be determined without values
      • Discuss
    • 7. A single 6 V pulse with a width of 600 µs is applied to an integrator consisting of a 150 kΩ resistor and a 0.002 µF capacitor. To what voltage will the capacitor charge?

    • Options
    • A. 0 V
    • B. 3.78 V
    • C. 5.16 V
    • D. 6 V
      • Discuss
    • 8. The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. In order to get maximum power transfer from a capacitive source, the load must have an impedance that is the complex conjugate of the source impedance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A switch, a 220 Ω resistor, and a 60 mH inductor are in series across a 20 V battery. What is the current through the inductor two time constants after the switch is closed?

    • Options
    • A. 91 mA
    • B. 78 mA
    • C. 57 mA
    • D. 400 mA
      • Discuss

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