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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 739 · 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) 50 % (b) 0 % (c) 25 % (d) 5 %
  2. 2.🌈 A resistor has the colour bands orange, violet, orange. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 A resistor has the colour bands red, yellow, black. What is its value (in ohms)?
  4. 4.🌈 A resistor has the colour bands white, red, red. What is its value in kilo-ohms (kΩ)? =
  5. 5.🌈 A resistor has the colour bands brown, brown, black. What is its value (in ohms)?
  6. 6.🌈 A resistor has the colour bands white, violet, orange. What is its value (in ohms)?
  7. 7.🌈 Which band is read first on a resistor? (a) the gold band (b) the one nearest an end (c) any band (d) the widest gap
  8. 8.🌈 A resistor has the colour bands grey, black, orange. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 510 Ω resistor? (a) green-brown-brown (b) green-brown-red (c) brown-green-brown (d) green-brown-black
  10. 10.🌈 A resistor has the colour bands violet, grey, orange. What is its value (in ohms)?
  11. 11.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 96000 Ω resistor? (a) white-blue-yellow (b) blue-white-orange (c) white-blue-red (d) white-blue-orange
  12. 12.🌈 In the resistor colour code, which number does violet stand for?
  13. 13.🌈 A resistor has the colour bands brown, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 A resistor has the colour bands blue, violet, orange. What is its value (in ohms)?
  15. 15.🌈 A resistor has the colour bands green, orange, red. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 In the resistor colour code, which number does orange stand for?
  17. 17.🌈 In the resistor colour code, which number does black stand for?
  18. 18.🌈 In the resistor colour code, which number does green stand for?
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 330 Ω resistor? (a) orange-yellow-brown (b) orange-orange-black (c) orange-orange-brown (d) orange-orange-red
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 980 Ω resistor? (a) white-grey-brown (b) white-grey-black (c) white-grey-red (d) grey-white-brown
  21. 21.🌈 A resistor has the colour bands brown, white, black. What is its value (in ohms)?
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 62 Ω resistor? (a) violet-red-black (b) blue-red-brown (c) blue-red-black (d) red-blue-black
  23. 23.🌈 A resistor has the colour bands red, grey, brown. What is its value (in ohms)?
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 42 Ω resistor? (a) yellow-red-brown (b) yellow-red-black (c) red-yellow-black (d) green-red-black
  25. 25.🌈 A resistor has the colour bands blue, black, red. What is its value (in ohms)?
  26. 26.🌈 A resistor has the colour bands grey, violet, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands yellow, white, orange. What is its value (in ohms)?
  28. 28.🌈 A resistor has the colour bands yellow, green, yellow. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 A resistor has the colour bands white, red, orange. What is its value (in ohms)?
  30. 30.🌈 A resistor has the colour bands red, yellow, red. What is its value (in ohms)?
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5200 Ω resistor? (a) green-red-red (b) red-green-red (c) green-red-brown (d) green-red-orange
  32. 32.🌈 A resistor has the colour bands orange, blue, black. What is its value (in ohms)?
  33. 33.🌈 A resistor has the colour bands yellow, red, brown. What is its value (in ohms)?
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1400 Ω resistor? (a) yellow-brown-red (b) brown-yellow-orange (c) brown-yellow-brown (d) brown-yellow-red
  35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 80000 Ω resistor? (a) grey-black-orange (b) white-grey-orange (c) grey-black-yellow (d) grey-black-red
  36. 36.🌈 A resistor has the colour bands yellow, black, black. What is its value (in ohms)?
  37. 37.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 38000 Ω resistor? (a) grey-orange-orange (b) orange-grey-red (c) orange-grey-yellow (d) orange-grey-orange
  38. 38.🌈 A resistor has the colour bands white, yellow, red. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands violet, red, red. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 A resistor has the colour bands yellow, blue, red. What is its value (in ohms)?

Answer key

  1. 5 %
  2. 37
  3. 24
  4. 9.2
  5. 11
  6. 97000
  7. the one nearest an end
  8. 80
  9. green-brown-brown
  10. 78000
  11. white-blue-orange
  12. 7
  13. 14
  14. 67000
  15. 5.3
  16. 3
  17. 0
  18. 5
  19. orange-orange-brown
  20. white-grey-brown
  21. 19
  22. blue-red-black
  23. 280
  24. yellow-red-black
  25. 6000
  26. 8.7
  27. 49000
  28. 450
  29. 92000
  30. 2400
  31. green-red-red
  32. 36
  33. 420
  34. brown-yellow-red
  35. grey-black-orange
  36. 40
  37. orange-grey-orange
  38. 9.4
  39. 7.2
  40. 4600

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