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  • Question

  • What is the phase shift between the voltage across the resistor and the voltage from the source?

    What is the phase shift between the voltage across the resistor and the voltage from the source? VR


  • Options
  • A. VR leads VS by 17°
  • B. VR leads VS by 73°
  • C. VR lags VS by 73°
  • D. VR lags VS by 17°

  • Correct Answer
  • VR leads VS by 73° 

    • 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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