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  • Question

  • If you drop a 5 when rounding a number, you are using the


  • Options
  • A. round-to-even rule
  • B. significant digit rule
  • C. round-off rule
  • D. retained digit rule

  • Correct Answer
  • round-to-even rule 

    • Quantities and Units problems

    Search Results

    • 1. What is the current through the diode?


    • Options
    • A. 1 mA
    • B. 0.975 mA
    • C. 0.942 mA
    • D. 0.0 mA
      • Discuss
    • 2. What is wrong with this circuit?


    • Options
    • A. The zener is open.
    • B. The zener is shorted.
    • C. nothing
    • D. not enough data
      • Discuss
    • 3. What circuit activity may shift a characteristic curve so that diode operating points are different?

    • Options
    • A. higher power (heat)
    • B. higher resistance
    • C. lower voltage
    • D. lower current
      • Discuss
    • 4. A characteristic curve is the result of a current versus voltage plot of diode activity, which begins at the:

    • Options
    • A. 3rd quadrant
    • B. current plot
    • C. graph origin
    • D. voltage plot
      • Discuss
    • 5. With a 12 V supply, a silicon diode, and a 370-ohm resistor in series, what voltage will be dropped across the diode?

    • Options
    • A. 0.3 V
    • B. 0.7 V
    • C. 0.9 V
    • D. 1.4 V
      • Discuss
    • 6. Another name for "fundamental units" is

    • Options
    • A. base units
    • B. atoms
    • C. the metric system
    • D. letter symbols
      • Discuss
    • 7. Pico is what relation to micro?

    • Options
    • A. one-tenth
    • B. one-hundredth
    • C. one-thousandth
    • D. one-millionth
      • Discuss
    • 8. Dividing 24 × 1011 by 3 × 104 equals

    • Options
    • A. 8 × 104
    • B. 8 × 107
    • C. 8 × 1011
    • D. 8 × 1015
      • Discuss
    • 9. Which of the following is expressed in engineering notation?

    • Options
    • A. 470 × 105
    • B. 82 × 10?2
    • C. 9.1 × 10?6
    • D. 14.7 × 108
      • Discuss
    • 10. A measure of the repeatability of a measurement of some quantity is

    • Options
    • A. error
    • B. precision
    • C. accuracy
    • D. significant
      • Discuss

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