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Circuit Theorems and Conversions problems

  • 1. Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given.

    Electrical Engineering Circuit Theorems and Conversions: Find the Thevenin equivalent (VTH and RTH) between terminals A a

  • Options
  • A. 562 mV, 167 Ω
  • B. 5.62 V, 167 Ω
  • C. 5.62 V, 188 Ω
  • D. 562 mV, 188 Ω
    • Discuss
  • 2. Find RN for the circuit given.

    Electrical Engineering Circuit Theorems and Conversions: Find RN for the circuit given.

  • Options
  • A. 34 Ω
  • B. 68 Ω
  • C. 120 Ω
  • D. 154 Ω
    • Discuss
  • 3. Find the current in R2 of the given circuit, using the superposition theorem.

    Electrical Engineering Circuit Theorems and Conversions: Find the current in R2 of the given circuit, using the superposition theorem.

  • Options
  • A. 16.7 mA
  • B. 33.3 mA
  • C. 50 mA
  • D. 16.6 mA
    • Discuss
  • 4. A 120 V voltage source has a source resistance, RS, of 60 Ω. The equivalent current source is

  • Options
  • A. 2 A
  • B. 4 A
  • C. 200 mA
  • D. 400 mA
    • Discuss
  • 5. An 18 V source has an internal resistance of 70 Ω. If a load resistance of 33 Ω is connected to the voltage source, the load power, PL, is

  • Options
  • A. 0 W
  • B. 1 W
  • C. 175 mW
  • D. 18 mW
    • Discuss
  • 6. A certain voltage source has the values VS = 30 V and RS = 6 Ω. The values for an equivalent current source are

  • Options
  • A. 5 A, 6 Ω
  • B. 30 A, 6 Ω
  • C. 5 A, 30 Ω
  • D. 30 A, 5 Ω
    • Discuss
  • 7. A 120 Ω load is connected across an ideal voltage source with VS = 12 V. The voltage across the load

  • Options
  • A. is 0 V
  • B. is 12 V
  • C. is 120 V
  • D. cannot be determined
    • Discuss
  • 8. A certain current source has the values IS = 4 µA and RS = 1.2 MΩ. The values for an equivalent voltage source are

  • Options
  • A. 4.8 µV, 1.2 MΩ
  • B. 1 V, 1.2 MΩ
  • C. 4.8 V, 4.8 MΩ
  • D. 4.8 V, 1.2 MΩ
    • Discuss
  • 9. Find the current through R1 in the given circuit.

    Electrical Engineering Circuit Theorems and Conversions: Find the current through R1 in the given circuit.

  • Options
  • A. 0.16 A
  • B. 0.24 A
  • C. 0.2 A
  • D. 0.04 A
    • Discuss
  • 10. A 680 Ω load resistor, RL, is connected across a constant current source of 1.2 A. The internal source resistance, RS, is 12 kΩ. The load current, RL, is

  • Options
  • A. 0 A
  • B. 1.2 A
  • C. 114 mA
  • D. 1.14 A
    • Discuss

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