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Home ‣ Electrical Engineering ‣ Voltage, Current and Resistance Comments
  • Question

  • A circuit breaker is a


  • Options
  • A. fuse
  • B. switch
  • C. resettable protective device
  • D. resistor

  • Correct Answer
  • resettable protective device 

    • Voltage, Current and Resistance problems

    Search Results

    • 1. The maximum resistance value for a brown, red, yellow, gold resistor is

    • Options
    • A. 126,000 Ω
    • B. 126,600 Ω
    • C. 114,000 Ω
    • D. 132,000 Ω
      • Discuss
    • 2. A red, red, orange, gold resistor has a nominal value of

    • Options
    • A. 22,000 Ω
    • B. 2,200 Ω
    • C. 22 Ω
    • D. 2.2 Ω
      • Discuss
    • 3. In a Y-connected source feeding a △-connected load,

    • Options
    • A. each phase of the load has one-third of the full line voltage across it
    • B. each phase of the load has two-thirds of the full line voltage across it
    • C. each phase of the load has the full line voltage across it
    • D. each phase of the load has a voltage across it equal to
      • Discuss
    • 4. In a Y-connected circuit, between each line voltage and the nearest phase voltage, there is a phase angle of

    • Options
    • A. 0°
    • B. 30°
    • C. 60°
    • D. 120°
      • Discuss
    • 5. In a three-phase system, the voltages are separated by

    • Options
    • A. 45°
    • B. 90°
    • C. 120°
    • D. 180°
      • Discuss
    • 6. The minimum resistance value for a blue, gray, red, silver resistor is

    • Options
    • A. 612 Ω
    • B. 6,120 Ω
    • C. 6,800 Ω
    • D. 6,460 Ω
      • Discuss
    • 7. A multimeter measures

    • Options
    • A. current
    • B. voltage
    • C. resistance
    • D. current, voltage, and resistance
      • Discuss
    • 8. A neutral atom with an atomic number of five has how many electrons?

    • Options
    • A. 1
    • B. 5
    • C. none
    • D. depends on the type of atom
      • Discuss
    • 9. Materials with lots of free electrons are called

    • Options
    • A. conductors
    • B. insulators
    • C. semiconductors
    • D. filters
      • Discuss
    • 10. When the current is 2.5 A, how many coulombs pass a point in 0.2 s?

    • Options
    • A. 12.5 C
    • B. 1.25 C
    • C. 0.5 C
    • D. 5 C
      • Discuss

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