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Branch, Loop and Node Analyses problems

  • 1. The branch current method uses

  • Options
  • A. Kirchhoff's voltage and current laws
  • B. Thevenin's theorem and Ohm's law
  • C. Kirchhoff's current law and Ohm's law
  • D. the superposition theorem and Thevenin's theorem
    • Discuss
  • 2. In assigning the direction of branch currents,

  • Options
  • A. the directions are critical
  • B. the directions are not critical
  • C. they must point into a node
  • D. they must point out of a node
    • Discuss
  • 3. Find the node voltage VA.

    Electrical Engineering Branch, Loop and Node Analyses: Find the node voltage VA.

  • Options
  • A. 6 V
  • B. 12 V
  • C. 4.25 V
  • D. 3 V
    • Discuss
  • 4. The first row of a certain determinant has the numbers 10 and 6. The second row has the numbers 3 and 5. The value of this determinant is

  • Options
  • A. 18
  • B. 50
  • C. 32
  • D. ?32
    • Discuss
  • 5. The expansion method for evaluating determinants is

  • Options
  • A. better than any other method
  • B. good for only one determinant
  • C. more flexible than the cofactor method
  • D. good for second- and third-order determinants
    • Discuss
  • 6. What is the current through R2?

    Electrical Engineering Branch, Loop and Node Analyses: What is the current through R2?

  • Options
  • A. 177 mA
  • B. 250 mA
  • C. 500 mA
  • D. 125 mA
    • Discuss
  • 7. Find branch current IR2.

    Electrical Engineering Branch, Loop and Node Analyses: Find branch current IR2.

  • Options
  • A. 5.4 mA
  • B. ?5.4 mA
  • C. 113.0 mA
  • D. 119.6 mA
    • Discuss
  • 8. Find I1.

    4I1 + 4I2 = 2
    6I1 + 7I2 = 4


  • Options
  • A. 0.5 A
  • B. 50 mA
  • C. ?0.5 A
  • D. ?50 mA
    • Discuss
  • 9. What is the current through R2?

    Electrical Engineering Branch, Loop and Node Analyses: What is the current through R2?

  • Options
  • A. 3.19 A
  • B. 319 mA
  • C. 1.73 A
  • D. 173 mA
    • Discuss
  • 10. Using the mesh current method, find the branch current, IR1, in the above figure.

    Electrical Engineering Branch, Loop and Node Analyses: Using the mesh current method, find the branch current, IR1, in the above figure.

  • Options
  • A. 115 mA
  • B. 12.5 mA
  • C. 12.5 A
  • D. 135 mA
    • Discuss

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