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CuriousTab

CuriousTab

Voltage, Current and Resistance problems


  • 1. 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
  • 2. 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
  • 3. A circuit breaker is a

  • Options
  • A. fuse
  • B. switch
  • C. resettable protective device
  • D. resistor
  • Discuss
  • 4. 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
  • 5. A multimeter measures

  • Options
  • A. current
  • B. voltage
  • C. resistance
  • D. current, voltage, and resistance
  • Discuss
  • 6. 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
  • 7. Materials with lots of free electrons are called

  • Options
  • A. conductors
  • B. insulators
  • C. semiconductors
  • D. filters
  • Discuss
  • 8. 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
  • 9. The colored bands for a 4,700 ohm resistor with a ten percent tolerance are

  • Options
  • A. yellow, violet, red, gold
  • B. yellow, violet, orange, gold
  • C. yellow, violet, red, silver
  • D. orange, violet, red, silver
  • Discuss
  • 10. The unit of electrical charge is the

  • Options
  • A. coulomb
  • B. joule
  • C. volt
  • D. watt
  • Discuss

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