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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 116 · 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.🌈 A resistor has the colour bands yellow, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  2. 2.🌈 A gold fourth band on a resistor means the value may be off by … (a) 50 % (b) 0 % (c) 25 % (d) 5 %
  3. 3.🌈 A resistor has the colour bands orange, white, red. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 A resistor has the colour bands red, yellow, brown. What is its value (in ohms)?
  5. 5.🌈 A resistor has the colour bands violet, blue, red. What is its value in kilo-ohms (kΩ)? =
  6. 6.🌈 In the resistor colour code, which number does grey stand for?
  7. 7.🌈 A resistor has the colour bands orange, blue, red. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 A resistor has the colour bands white, green, red. What is its value (in ohms)?
  9. 9.🌈 In the resistor colour code, which number does white stand for?
  10. 10.🌈 A resistor has the colour bands blue, brown, red. What is its value in kilo-ohms (kΩ)? =
  11. 11.🌈 In the resistor colour code, which number does red stand for?
  12. 12.🌈 A resistor has the colour bands orange, red, yellow. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 A resistor has the colour bands orange, black, orange. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 Which band is read first on a resistor? (a) the one nearest an end (b) the gold band (c) the widest gap (d) any band
  15. 15.🌈 In the resistor colour code, which number does violet stand for?
  16. 16.🌈 In the resistor colour code, which number does yellow stand for?
  17. 17.🌈 In the resistor colour code, which number does brown stand for?
  18. 18.🌈 A resistor has the colour bands blue, brown, orange. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 In the resistor colour code, which number does blue stand for?
  20. 20.🌈 A resistor has the colour bands blue, orange, orange. What is its value (in ohms)?
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8000 Ω resistor? (a) grey-black-brown (b) grey-black-orange (c) white-grey-red (d) grey-black-red
  22. 22.🌈 A resistor has the colour bands red, orange, orange. What is its value in kilo-ohms (kΩ)? =
  23. 23.🌈 A resistor has the colour bands yellow, orange, orange. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 In the resistor colour code, which number does orange stand for?
  25. 25.🌈 A resistor has the colour bands violet, orange, red. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 A resistor has the colour bands white, orange, orange. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands orange, grey, red. What is its value (in ohms)?
  28. 28.🌈 A resistor has the colour bands brown, orange, orange. What is its value (in ohms)?
  29. 29.🌈 A resistor has the colour bands brown, blue, orange. What is its value (in ohms)?
  30. 30.🌈 In the resistor colour code, which number does black stand for?
  31. 31.🌈 In the resistor colour code, which number does green stand for?
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 83000 Ω resistor? (a) grey-orange-red (b) grey-orange-yellow (c) grey-orange-orange (d) orange-grey-orange
  33. 33.🌈 A resistor has the colour bands green, yellow, red. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 36000 Ω resistor? (a) orange-blue-yellow (b) orange-blue-orange (c) orange-blue-red (d) blue-orange-orange
  35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 230 Ω resistor? (a) red-orange-red (b) orange-red-brown (c) red-orange-black (d) red-orange-brown
  36. 36.🌈 A resistor has the colour bands white, violet, red. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands green, green, orange. What is its value (in ohms)?
  38. 38.🌈 A resistor has the colour bands orange, red, red. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands yellow, grey, orange. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 A resistor has the colour bands red, violet, yellow. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. 44
  2. 5 %
  3. 3.9
  4. 240
  5. 7.6
  6. 8
  7. 3.6
  8. 9500
  9. 9
  10. 6.1
  11. 2
  12. 320
  13. 30
  14. the one nearest an end
  15. 7
  16. 4
  17. 1
  18. 61
  19. 6
  20. 63000
  21. grey-black-red
  22. 23
  23. 43
  24. 3
  25. 7.3
  26. 93
  27. 3800
  28. 13000
  29. 16000
  30. 0
  31. 5
  32. grey-orange-orange
  33. 5.4
  34. orange-blue-orange
  35. red-orange-brown
  36. 9.7
  37. 55000
  38. 3.2
  39. 48
  40. 270

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