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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 41 · 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 gold fourth band on a resistor means the value may be off by … (a) 25 % (b) 5 % (c) 0 % (d) 50 %
  2. 2.🌈 In the resistor colour code, which number does violet stand for?
  3. 3.🌈 In the resistor colour code, which number does white stand for?
  4. 4.🌈 Which band is read first on a resistor? (a) the gold band (b) the widest gap (c) any band (d) the one nearest an end
  5. 5.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 41000 Ω resistor? (a) yellow-brown-red (b) yellow-brown-yellow (c) brown-yellow-orange (d) yellow-brown-orange
  6. 6.🌈 In the resistor colour code, which number does yellow stand for?
  7. 7.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6600 Ω resistor? (a) blue-blue-brown (b) blue-violet-red (c) blue-blue-red (d) blue-blue-orange
  8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 15 Ω resistor? (a) brown-green-brown (b) red-green-black (c) green-brown-black (d) brown-green-black
  9. 9.🌈 A resistor has the colour bands violet, green, yellow. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 A resistor has the colour bands grey, green, black. What is its value (in ohms)?
  11. 11.🌈 A resistor has the colour bands orange, red, red. What is its value in kilo-ohms (kΩ)? =
  12. 12.🌈 A resistor has the colour bands white, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 170 Ω resistor? (a) violet-brown-brown (b) brown-violet-red (c) brown-violet-black (d) brown-violet-brown
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 11 Ω resistor? (a) red-brown-black (b) brown-brown-brown (c) brown-red-black (d) brown-brown-black
  15. 15.🌈 In the resistor colour code, which number does orange stand for?
  16. 16.🌈 A resistor has the colour bands yellow, red, red. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 A resistor has the colour bands blue, blue, orange. What is its value (in ohms)?
  18. 18.🌈 A resistor has the colour bands grey, white, black. What is its value (in ohms)?
  19. 19.🌈 A resistor has the colour bands red, green, yellow. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 A resistor has the colour bands brown, grey, red. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 In the resistor colour code, which number does black stand for?
  22. 22.🌈 A resistor has the colour bands blue, brown, orange. What is its value (in ohms)?
  23. 23.🌈 A resistor has the colour bands brown, orange, brown. What is its value (in ohms)?
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1200 Ω resistor? (a) brown-red-orange (b) red-brown-red (c) brown-red-brown (d) brown-red-red
  25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5400 Ω resistor? (a) green-yellow-orange (b) green-yellow-red (c) yellow-green-red (d) green-yellow-brown
  26. 26.🌈 A resistor has the colour bands yellow, yellow, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands violet, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 100 Ω resistor? (a) red-brown-brown (b) brown-black-black (c) brown-black-red (d) brown-black-brown
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 75 Ω resistor? (a) violet-green-brown (b) violet-green-black (c) green-violet-black (d) grey-green-black
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 81 Ω resistor? (a) white-brown-black (b) grey-brown-brown (c) brown-grey-black (d) grey-brown-black
  31. 31.🌈 A resistor has the colour bands grey, brown, red. What is its value (in ohms)?
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1700 Ω resistor? (a) violet-brown-red (b) brown-violet-brown (c) brown-violet-red (d) brown-violet-orange
  33. 33.🌈 In the resistor colour code, which number does brown stand for?
  34. 34.🌈 A resistor has the colour bands yellow, white, orange. What is its value in kilo-ohms (kΩ)? =
  35. 35.🌈 A resistor has the colour bands green, brown, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands yellow, grey, red. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands white, violet, orange. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands white, red, black. What is its value (in ohms)?
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 160 Ω resistor? (a) blue-brown-brown (b) brown-blue-black (c) brown-blue-brown (d) brown-blue-red
  40. 40.🌈 A resistor has the colour bands orange, red, black. What is its value (in ohms)?

Answer key

  1. 5 %
  2. 7
  3. 9
  4. the one nearest an end
  5. yellow-brown-orange
  6. 4
  7. blue-blue-red
  8. brown-green-black
  9. 750
  10. 85
  11. 3.2
  12. 930
  13. brown-violet-brown
  14. brown-brown-black
  15. 3
  16. 4.2
  17. 66000
  18. 89
  19. 250
  20. 1.8
  21. 0
  22. 61000
  23. 130
  24. brown-red-red
  25. green-yellow-red
  26. 4.4
  27. 780
  28. brown-black-brown
  29. violet-green-black
  30. grey-brown-black
  31. 8100
  32. brown-violet-red
  33. 1
  34. 49
  35. 5.1
  36. 4.8
  37. 97
  38. 92
  39. brown-blue-brown
  40. 32

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