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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 141 · 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) 5 % (b) 25 % (c) 0 % (d) 50 %
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5800 Ω resistor? (a) grey-green-red (b) green-grey-orange (c) green-grey-red (d) green-grey-brown
  3. 3.🌈 A resistor has the colour bands orange, orange, brown. What is its value (in ohms)?
  4. 4.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 69000 Ω resistor? (a) blue-white-orange (b) blue-white-red (c) blue-white-yellow (d) white-blue-orange
  5. 5.🌈 A resistor has the colour bands orange, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  6. 6.🌈 A resistor has the colour bands grey, yellow, red. What is its value (in ohms)?
  7. 7.🌈 A resistor has the colour bands orange, blue, red. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 67 Ω resistor? (a) blue-violet-black (b) blue-violet-brown (c) violet-violet-black (d) violet-blue-black
  9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 36 Ω resistor? (a) orange-blue-black (b) blue-orange-black (c) yellow-blue-black (d) orange-blue-brown
  10. 10.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 71 Ω resistor? (a) violet-brown-black (b) brown-violet-black (c) violet-brown-brown (d) grey-brown-black
  11. 11.🌈 In the resistor colour code, which number does white stand for?
  12. 12.🌈 A resistor has the colour bands green, grey, black. What is its value (in ohms)?
  13. 13.🌈 Which band is read first on a resistor? (a) any band (b) the one nearest an end (c) the widest gap (d) the gold band
  14. 14.🌈 A resistor has the colour bands grey, red, yellow. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 A resistor has the colour bands green, white, brown. What is its value (in ohms)?
  16. 16.🌈 A resistor has the colour bands orange, violet, black. What is its value (in ohms)?
  17. 17.🌈 In the resistor colour code, which number does violet stand for?
  18. 18.🌈 A resistor has the colour bands orange, blue, red. What is its value (in ohms)?
  19. 19.🌈 A resistor has the colour bands orange, orange, orange. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 A resistor has the colour bands red, yellow, red. What is its value (in ohms)?
  21. 21.🌈 A resistor has the colour bands grey, orange, orange. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 In the resistor colour code, which number does brown stand for?
  23. 23.🌈 A resistor has the colour bands green, green, red. What is its value (in ohms)?
  24. 24.🌈 In the resistor colour code, which number does black stand for?
  25. 25.🌈 A resistor has the colour bands blue, green, orange. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 A resistor has the colour bands white, green, yellow. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands brown, brown, red. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 340 Ω resistor? (a) orange-yellow-red (b) orange-yellow-black (c) yellow-orange-brown (d) orange-yellow-brown
  29. 29.🌈 A resistor has the colour bands orange, violet, brown. What is its value (in ohms)?
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1100 Ω resistor? (a) brown-red-red (b) brown-brown-brown (c) brown-brown-orange (d) brown-brown-red
  31. 31.🌈 A resistor has the colour bands red, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4100 Ω resistor? (a) yellow-brown-brown (b) yellow-brown-red (c) brown-yellow-red (d) yellow-brown-orange
  33. 33.🌈 In the resistor colour code, which number does blue stand for?
  34. 34.🌈 A resistor has the colour bands orange, red, yellow. What is its value in kilo-ohms (kΩ)? =
  35. 35.🌈 A resistor has the colour bands brown, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 150 Ω resistor? (a) brown-green-red (b) brown-green-black (c) green-brown-brown (d) brown-green-brown
  37. 37.🌈 A resistor has the colour bands brown, black, red. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands green, red, red. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 61 Ω resistor? (a) violet-brown-black (b) blue-brown-black (c) brown-blue-black (d) blue-brown-brown
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 89 Ω resistor? (a) white-grey-black (b) grey-white-black (c) grey-white-brown (d) white-white-black

Answer key

  1. 5 %
  2. green-grey-red
  3. 330
  4. blue-white-orange
  5. 360
  6. 8400
  7. 3.6
  8. blue-violet-black
  9. orange-blue-black
  10. violet-brown-black
  11. 9
  12. 58
  13. the one nearest an end
  14. 820
  15. 590
  16. 37
  17. 7
  18. 3600
  19. 33
  20. 2400
  21. 83
  22. 1
  23. 5500
  24. 0
  25. 65
  26. 950
  27. 1.1
  28. orange-yellow-brown
  29. 370
  30. brown-brown-red
  31. 260
  32. yellow-brown-red
  33. 6
  34. 320
  35. 130
  36. brown-green-brown
  37. 1
  38. 5.2
  39. blue-brown-black
  40. grey-white-black

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