← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 722 · 40 questions
TalentJR

Remember (Digit, digit, zeros): black 0 · brown 1 · red 2 · orange 3 · yellow 4 · green 5 · blue 6 · violet 7 · grey 8 · white 9. Band 1 and band 2 = two digits; band 3 = number of zeros to add. Examples: brown-black-red = 1000 Ω; yellow-violet-brown = 470 Ω; red-red-red = 2200 Ω = 2.2 kΩ.

NameDateTime takenScore ___ / 40
  1. 1.🌈 Which band is read first on a resistor? (a) the gold band (b) the widest gap (c) the one nearest an end (d) any band
  2. 2.🌈 A resistor has the colour bands orange, orange, black. What is its value (in ohms)?
  3. 3.🌈 A resistor has the colour bands orange, blue, red. What is its value (in ohms)?
  4. 4.🌈 A gold fourth band on a resistor means the value may be off by … (a) 50 % (b) 0 % (c) 25 % (d) 5 %
  5. 5.🌈 A resistor has the colour bands grey, blue, red. What is its value (in ohms)?
  6. 6.🌈 A resistor has the colour bands brown, brown, orange. What is its value (in ohms)?
  7. 7.🌈 A resistor has the colour bands grey, black, orange. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 A resistor has the colour bands green, grey, orange. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 A resistor has the colour bands red, yellow, brown. What is its value (in ohms)?
  10. 10.🌈 In the resistor colour code, which number does red stand for?
  11. 11.🌈 A resistor has the colour bands yellow, red, brown. What is its value (in ohms)?
  12. 12.🌈 A resistor has the colour bands blue, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 In the resistor colour code, which number does brown stand for?
  14. 14.🌈 In the resistor colour code, which number does green stand for?
  15. 15.🌈 A resistor has the colour bands brown, grey, black. What is its value (in ohms)?
  16. 16.🌈 In the resistor colour code, which number does grey stand for?
  17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 960 Ω resistor? (a) white-blue-black (b) white-blue-brown (c) blue-white-brown (d) white-blue-red
  18. 18.🌈 A resistor has the colour bands white, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3800 Ω resistor? (a) grey-orange-red (b) orange-grey-orange (c) orange-grey-brown (d) orange-grey-red
  20. 20.🌈 A resistor has the colour bands brown, green, orange. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 A resistor has the colour bands red, white, orange. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 In the resistor colour code, which number does orange stand for?
  23. 23.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 79 Ω resistor? (a) white-violet-black (b) violet-white-black (c) violet-white-brown (d) grey-white-black
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 46000 Ω resistor? (a) yellow-blue-red (b) yellow-blue-yellow (c) blue-yellow-orange (d) yellow-blue-orange
  25. 25.🌈 A resistor has the colour bands violet, blue, black. What is its value (in ohms)?
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 62 Ω resistor? (a) blue-red-black (b) red-blue-black (c) violet-red-black (d) blue-red-brown
  27. 27.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 17000 Ω resistor? (a) brown-violet-red (b) brown-violet-yellow (c) violet-brown-orange (d) brown-violet-orange
  28. 28.🌈 A resistor has the colour bands white, green, orange. What is its value (in ohms)?
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 73 Ω resistor? (a) violet-orange-black (b) orange-violet-black (c) grey-orange-black (d) violet-orange-brown
  30. 30.🌈 A resistor has the colour bands orange, red, brown. What is its value (in ohms)?
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 970 Ω resistor? (a) violet-white-brown (b) white-violet-black (c) white-violet-brown (d) white-violet-red
  32. 32.🌈 A resistor has the colour bands red, white, orange. What is its value (in ohms)?
  33. 33.🌈 A resistor has the colour bands blue, blue, orange. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 A resistor has the colour bands white, blue, red. What is its value (in ohms)?
  35. 35.🌈 A resistor has the colour bands yellow, white, black. What is its value (in ohms)?
  36. 36.🌈 In the resistor colour code, which number does yellow stand for?
  37. 37.🌈 A resistor has the colour bands orange, black, black. What is its value (in ohms)?
  38. 38.🌈 A resistor has the colour bands orange, red, orange. What is its value (in ohms)?
  39. 39.🌈 A resistor has the colour bands white, grey, brown. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands white, black, brown. What is its value (in ohms)?

Answer key

  1. the one nearest an end
  2. 33
  3. 3600
  4. 5 %
  5. 8600
  6. 11000
  7. 80
  8. 58
  9. 240
  10. 2
  11. 420
  12. 680
  13. 1
  14. 5
  15. 18
  16. 8
  17. white-blue-brown
  18. 910
  19. orange-grey-red
  20. 15
  21. 29
  22. 3
  23. violet-white-black
  24. yellow-blue-orange
  25. 76
  26. blue-red-black
  27. brown-violet-orange
  28. 95000
  29. violet-orange-black
  30. 320
  31. white-violet-brown
  32. 29000
  33. 66
  34. 9600
  35. 49
  36. 4
  37. 30
  38. 32000
  39. 980
  40. 900

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids