electronics-quantities-and-units Related Question Answers

1. A measure of the repeatability of a measurement of some quantity is

2. Another name for "fundamental units" is

3. Adding 27.5 × 103 to 8.9 × 104 equals

4. When using the terms "accuracy" and "precision" for measurements

5. The difference between scientific and engineering notation is

6. The number 14.8 can also be expressed as

7. The digits in a measured number that are known to be correct are called

8. Which of the following is expressed in engineering notation?

9. The unit for frequency is the

10. Add 21 mA and 8000 A and express the result in milliamperes.

11. Dividing 24 × 1011 by 3 × 104 equals

12. Pico is what relation to micro?

13. The number 560,000 is expressed in scientific notation.

14. Subtracting 18 × 102 from 480 × 101 results in 30 × 102.

15. The coulomb is the unit for charge.

16. Voltage, not current, determines the severity of an electrical shock.

17. Only electrical quantities have symbols associated with them.

18. 0.00015 V can be expressed in powers of ten as 1.5 × 10–4 V.

19. Precision refers to the difference between the measured value and the accepted value.

20. 4200 W is the same as 4.2 kW.

21. Multiplying 5 × 106 by 4 × 103 results in 20 × 1018.

22. The metric prefix giga is used to represent one billion.

23. The number 24.5, rounded to two significant digits, is 25.

24. 7450 × 10–5 amperes equals 74.5 ___.

25. The number 5200 ×10–2 equals ___ × 101.

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