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Circuit Theorems and Conversions problems

  • 1. Referring to the given circuit, the voltage and current for the load resistor, RL, is

    Electrical Engineering Circuit Theorems and Conversions: Referring to the given circuit, the voltage and current for the load resistor, RL,

  • Options
  • A. 450 mV, 4.5 mA
  • B. 4.50 V, 45 mA
  • C. 4.50 V, 4.5 mA
  • D. 450 mV, 45 mA
    • Discuss
  • 2. A 12 V source has an internal resistance of 90 Ω. If a load resistance of 20 Ω is connected to the voltage source, the load power, PL, is

  • Options
  • A. 2.38 mW
  • B. 2.38 W
  • C. 238 mW
  • D. 23.8 W
    • Discuss
  • 3. What is the Thevenin equivalent (VTH and RTH) for the circuit given?

    Electrical Engineering Circuit Theorems and Conversions: What is the Thevenin equivalent (VTH and RTH) for the circuit gi

  • Options
  • A. 6.4 V, 422 Ω
  • B. 6.4 V, 560 Ω
  • C. 6.4 V, 680 Ω
  • D. 30 V, 422 Ω
    • Discuss
  • 4. In a two-source circuit, one source acting alone produces 12 mA through a given branch. The other source acting alone produces 10 mA in the opposite direction through the same branch. The actual current through the branch is

  • Options
  • A. 22 mA
  • B. 12 mA
  • C. 10 mA
  • D. 2 mA
    • Discuss
  • 5. Referring to the given circuit, determine VTH and RTH if a 68 Ω resistor is connected in parallel across R2 and R3.

    Electrical Engineering Circuit Theorems and Conversions: Referring to the given circuit, determine VTH and RTH if a 68 &#

  • Options
  • A. 3.3 V, 148 Ω
  • B. 330 mV, 148 Ω
  • C. 3.3 V, 68 Ω
  • D. 330 mV, 68 Ω
    • Discuss
  • 6. A practical voltage source has a nonzero internal resistance.

  • Options
  • A. True
  • B. False
    • Discuss
  • 7. Some circuits require more than one voltage or current source.

  • Options
  • A. True
  • B. False
    • Discuss
  • 8. You cannot convert a voltage source to an equivalent current source, or vice versa.

  • Options
  • A. True
  • B. False
    • Discuss
  • 9. Transistors act basically as voltage sources.

  • Options
  • A. True
  • B. False
    • Discuss
  • 10. Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.

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

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