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Quantities and Units problems

  • 1. The number of microamperes in 2 milliamperes is

  • Options
  • A. 2 ľA
  • B. 20 ľA
  • C. 200 ľA
  • D. 2,000 ľA
    • Discuss
  • 2. The number 4,500,000 can be expressed as

  • Options
  • A. 4,500 × 106
  • B. 4.5 × 106
  • C. 4.5 × 10-3
  • D. either 4,500 × 104 or 4.5 × 106
    • Discuss
  • 3. The quantity 43 × 10-3 is the same as

  • Options
  • A. 0.043
  • B. 0.430
  • C. 430
  • D. 43,000
    • Discuss
  • 4. The number 0.0003 multiplied by 10-3 is

  • Options
  • A. 0.0000003
  • B. 0.0003
  • C. 3
  • D. 3,000
    • Discuss
  • 5. The number 4.38 × 10?3 expressed as a number having a power of 10?6 is

  • Options
  • A. 4,380 × 10?6
  • B. 438 × 10?6
  • C. 43,800 × 10?6
  • D. 438,000 × 10?6
    • Discuss
  • 6. When converting 1,600 kilohms to megohms, the result is

  • Options
  • A. 1,600,000 MΩ
  • B. 160 MΩ
  • C. 1.6 MΩ
  • D. 0.160 MΩ
    • Discuss
  • 7. Which of the following is not an electrical quantity?

  • Options
  • A. voltage
  • B. current
  • C. distance
  • D. power
    • Discuss
  • 8. What is (79 × 106)/(12 × 10?8)?

  • Options
  • A. 6,580 × 1012
  • B. 658 × 1010
  • C. 6.58 × 1014
  • D. 0.658 × 1016
    • Discuss
  • 9. Current is measured in

  • Options
  • A. watts
  • B. volts
  • C. henries
  • D. amperes
    • Discuss
  • 10. When converting 7,000 nA to microamperes, the result is

  • Options
  • A. 0.007 ľA
  • B. 0.7 ľA
  • C. 700 ľA
  • D. 7 ľA
    • Discuss

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