Electronics-Quantities and Units

Electronics-Quantities and Units
11. Which of the following is expressed in engineering notation?
  • 470 × 105
  • 82 × 10–2
  • 9.1 × 10–6
  • 14.7 × 108
Show Answer
12. The unit for frequency is the
  • hertz
  • ampere
  • watt
  • second
Show Answer
13. Add 21 mA and 8000 mu.gifA and express the result in milliamperes.
  • 21.8 mA
  • 218 mA
  • 29 mA
  • 290 mA
Show Answer
14. Pico is what relation to micro?
  • one-tenth
  • one-hundredth
  • one-thousandth
  • one-millionth
Show Answer
15. The number 560,000 is expressed in scientific notation.
  • TRUE
  • FALSE
Show Answer
16. Subtracting 18 × 102 from 480 × 101 results in 30 × 102.
  • TRUE
  • FALSE
Show Answer
17. The coulomb is the unit for charge.
  • TRUE
  • FALSE
Show Answer
18. Voltage, not current, determines the severity of an electrical shock.
  • TRUE
  • FALSE
Show Answer
19. Precision refers to the difference between the measured value and the accepted value.
  • TRUE
  • FALSE
Show Answer
20. 4200 W is the same as 4.2 kW.
  • TRUE
  • FALSE
Show Answer
Electronics
Questions and Answers for Competitive Exams Various Entrance Test