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Home ‣ Electronics ‣ Quantities and Units Comments
  • Question

  • 7450 × 10?5 amperes equals 74.5 ___.


  • Options
  • A. A
  • B. mA
  • C. µA
  • D. nA

  • Correct Answer
  • mA 

    • Quantities and Units problems

    Search Results

    • 1. 1300 × 10?12 F is the same as 1300 ___.

    • Options
    • A. mF
    • B. µF
    • C. nF
    • D. pF
      • Discuss
    • 2. The number 0.0136 equals 13.6 × ___.

    • Options
    • A. 10?1
    • B. 10?2
    • C. 10?3
    • D. 10?4
      • Discuss
    • 3. (12.6 × 106)(10.5 × 103) = ________.

    • Options
    • A. 13.2 × 1012
    • B. 1.32 × 1012
    • C. 1.32 × 1011
    • D. 13.2 × 1011
      • Discuss
    • 4. 106,100,000 Hz is the same as ___ MHz.

    • Options
    • A. 106.1
    • B. 1,061
    • C. 10,610
    • D. 106,100
      • Discuss
    • 5. The joule is the unit for ___.

    • Options
    • A. energy
    • B. charge
    • C. time
    • D. frequency
      • Discuss
    • 6. The number 5200 ×10?2 equals ___ × 101.

    • Options
    • A. 0.52
    • B. 5.2
    • C. 52
    • D. 520
      • Discuss
    • 7. The ___ is the unit for resistance, reactance, and impedance.

    • Options
    • A. farad
    • B. henry
    • C. ohm
    • D. watt
      • Discuss
    • 8. The ability of a material to maintain a magnetized state (without the presence of a magnetizing force) is called hysteresis.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The unit of magnetic flux is the weber.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. 
      When the south poles of two bar magnets are brought close together, there will be a force of attraction.

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

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