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

  • In a series RL circuit, 12 V rms is measured across the resistor, and 14 V rms is measured across the inductor. The peak value of the source voltage is


  • Options
  • A. 18.4 V
  • B. 26.0 V
  • C. 2 V
  • D. 20 V

  • Correct Answer
  • 26.0 V 

    • More questions

    • 1. If the peak of a sine wave is 13 V, the peak-to-peak value is

    • Options
    • A. 6.5 V
    • B. 13 V
    • C. 26 V
    • D. none of the above
      • Discuss
    • 2. A galvanometer is a meter that measures small amounts of voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An imaginary number is one that exists only in the mind of the mathematician.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The voltage at one point in a circuit is always measured relative to another point.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. If you used 600 W of power for 60 h, you have used

    • Options
    • A. 36 kWh
    • B. 3.6 kWh
    • C. 10 kWh
    • D. 1 kWh
      • Discuss
    • 6. In a certain Y-Y system, the source phase currents each have a magnitude of 9 A. The magnitude of each load current for a balanced load condition is

    • Options
    • A. 3 A
    • B. 6 A
    • C. 9 A
    • D. 27 A
      • Discuss
    • 7. In 0.025 W, there are

    • Options
    • A. 25 kW
    • B. 0.00025 mW
    • C. 2,500 µW
    • D. 25 mW
      • Discuss
    • 8. Compare the total copper cross sections in terms of current-carrying capacity for a single-phase and a three-phase 120 V system with effective load resistance of 15 Ω.

    • Options
    • A. single-phase 32 A; three-phase 16 A
    • B. single-phase 16 A; three-phase 8 A
    • C. single-phase 8 A; three-phase 4 A
    • D. single-phase 16 A; three-phase 0 A
      • Discuss
    • 9. The following resistors are in parallel across a voltage source: 220 Ω, 470 Ω, and 560 Ω. The resistor with the least current is

    • Options
    • A. 220 Ω
    • B. 470 Ω
    • C. 560 Ω
    • D. impossible to determine without knowing the voltage
      • Discuss
    • 10. A neutral atom with an atomic number of five has how many electrons?

    • Options
    • A. 1
    • B. 5
    • C. none
    • D. depends on the type of atom
      • Discuss

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