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Home ‣ Electrical Engineering ‣ Circuit Theorems in AC Analysis See What Others Are Saying!
  • Question

  • The Thevenin equivalent voltage is


  • Options
  • A. equal to the source voltage
  • B. the same as the load voltage
  • C. the open circuit voltage
  • D. none of the above

  • Correct Answer
  • the open circuit voltage 

    • More questions

    • 1. A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?

    • Options
    • A. 1 MΩ
    • B. 24 kΩ
    • C. 18 kΩ
    • D. 12 kΩ
      • Discuss
    • 2. In a series RLC circuit, the larger reactance determines the net reactance of the circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Two 10 H inductors are in parallel and the parallel combination is in series with a third 10 H inductor. What is the approximate total reactance when a voltage with a frequency of 7 kHz is applied across the circuit terminals?

    • Options
    • A. 219 kΩ
    • B. 66 kΩ
    • C. 660 kΩ
    • D. 1.3 MΩ
      • Discuss
    • 4. When one of three series resistors is removed from a circuit and the circuit is reconnected, the current

    • Options
    • A. increases
    • B. increases by one-third
    • C. decreases by one-third
    • D. decreases by the amount of current through the removed resistor
      • Discuss
    • 5. Find the Norton circuit, that is, IIN and RN, for the circuit given below.


    • Options
    • A. 478 mA, 12.8 Ω
    • B. 750 mA, 12.8 Ω
    • C. 478 mA, 6.8 Ω
    • D. 750 mA, 6.8 Ω
      • Discuss
    • 6. If in a Y-connected ac generator, each phase voltage has a magnitude of 90 VRMS, what is the magnitude of each line voltage?

    • Options
    • A. 0 V
    • B. 90 V
    • C. 156 V
    • D. 180 V
      • Discuss
    • 7. Addition of resistors in parallel increases total resistance and decreases total current.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Determine IN for the circuit consisting of VS, R1, R2, and R3 shown in the given circuit.


    • Options
    • A. 676 mA
    • B. 245 mA
    • C. 431 mA
    • D. 75 mA
      • Discuss
    • 9. Referring to the given circuit, determine VTH and RTH if a 68 Ω resistor is connected in parallel across R2 and R3.


    • Options
    • A. 3.3 V, 148 Ω
    • B. 330 mV, 148 Ω
    • C. 3.3 V, 68 Ω
    • D. 330 mV, 68 Ω
      • Discuss
    • 10. What is (79 × 106)/(12 × 10?8)?

    • Options
    • A. 6,580 × 1012
    • B. 658 × 1010
    • C. 6.58 × 1014
    • D. 0.658 × 1016
      • Discuss

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