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Parallel Circuits problems

  • 1. Electronics Parallel Circuits: The total curren

    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
  • 2. Electronics Parallel Circuits: If R2

    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
  • 3. Electronics Parallel Circuits: If R1 op

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


  • Options
  • A. 86 mA
  • B. 170 mA
  • C. 42 mA
  • D. 128 mA
    • Discuss
  • 4. Electronics Parallel Circuits: The total curre

    The total current in the given circuit equals _____.


  • Options
  • A. 86 mA
  • B. 170 mA
  • C. 42 mA
  • D. 128 mA
    • Discuss
  • 5. 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
  • 6. 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
  • 7. 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
  • 8. Electronics Parallel Circuits: If the voltmete

    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
  • 9. Circuit analysis should reveal that the largest resistance in a parallel circuit has the ______.

  • Options
  • A. least current
  • B. most current
  • C. least voltage
  • D. most voltage
    • Discuss
  • 10. An ammeter is connected in ______ with the branch resistor to measure branch current, and in ______ with the voltage supply to measure total parallel circuit current.

  • Options
  • A. parallel, series
  • B. series, parallel
  • C. series, series
  • D. parallel, parallel
    • Discuss

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