logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics ‣ Parallel Circuits Comments
  • Question

  • If R1 opens in the given circuit, the total current equals ___. 86 mA 170 mA 42 mA 128 mA

    If R1 opens in the given circuit, the total current equals ___.


  • Options
  • A. 86 mA
  • B. 170 mA
  • C. 42 mA
  • D. 128 mA

  • Correct Answer
  • 128 mA 

    • Parallel Circuits problems

    Search Results

    • 1. 

      If R2 opens in the given circuit, the voltage across R1 will ___.


    • Options
    • A. increase
    • B. decrease
    • C. equal 0 V
    • D. remain unchanged
      • Discuss
    • 2. 

      The total current in the given circuit is ___.


    • Options
    • A. 2.5 mA
    • B. 0.6 mA
    • C. 1.5 mA
    • D. 0.4 mA
      • Discuss
    • 3. 

      The total power in the given circuit is ___.


    • Options
    • A. 4.8 mW
    • B. 18 mW
    • C. 7.2 mW
    • D. 30 mW
      • Discuss
    • 4. Kirchhoff's current law states that the current flowing into a point of a circuit is equal to the sum of the voltages in the output branches.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A parallel circuit is sometimes called a current divider.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. 

      The total current in the given circuit equals _____.


    • Options
    • A. 86 mA
    • B. 170 mA
    • C. 42 mA
    • D. 128 mA
      • Discuss
    • 7. As additional resistors are connected to a parallel circuit, the total resistance will ___.

    • Options
    • A. increase
    • B. increase by the value of the resistor being connected
    • C. decrease
    • D. remain unchanged
      • Discuss
    • 8. A parallel resistor's value that changes with age will cause a corresponding change in ______ .

    • Options
    • A. branch current
    • B. branch voltage
    • C. both branch current and branch voltage
    • D. power supply voltage
      • Discuss
    • 9. A circuit is parallel between two points if ___ between those two points.

    • Options
    • A. the voltage divides
    • B. more than one current path exists
    • C. all resistors are equal
    • D. there is only one current path
      • Discuss
    • 10. 

      If the voltmeter indicates 12 V in the given circuit, the voltage across R2 equals ___.


    • Options
    • A. 12 V
    • B. VS minus 12 V
    • C. 0 V
    • D. More information is needed to find the voltage across R2.
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.