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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 976 · 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 one nearest an end (c) the widest gap (d) any band
  2. 2.🌈 A resistor has the colour bands grey, red, yellow. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 A resistor has the colour bands orange, red, orange. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 A resistor has the colour bands white, blue, red. What is its value in kilo-ohms (kΩ)? =
  5. 5.🌈 In the resistor colour code, which number does violet stand for?
  6. 6.🌈 A resistor has the colour bands white, blue, orange. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 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
  8. 8.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 25 % (c) 50 % (d) 5 %
  9. 9.🌈 A resistor has the colour bands red, orange, red. What is its value (in ohms)?
  10. 10.🌈 A resistor has the colour bands grey, yellow, red. What is its value (in ohms)?
  11. 11.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 89 Ω resistor? (a) grey-white-brown (b) white-grey-black (c) white-white-black (d) grey-white-black
  12. 12.🌈 In the resistor colour code, which number does yellow stand for?
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 240 Ω resistor? (a) red-yellow-black (b) red-yellow-red (c) red-yellow-brown (d) yellow-red-brown
  14. 14.🌈 In the resistor colour code, which number does red stand for?
  15. 15.🌈 A resistor has the colour bands green, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 A resistor has the colour bands green, green, yellow. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 A resistor has the colour bands green, white, orange. What is its value (in ohms)?
  18. 18.🌈 In the resistor colour code, which number does green stand for?
  19. 19.🌈 A resistor has the colour bands brown, brown, orange. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 820 Ω resistor? (a) red-grey-brown (b) grey-red-brown (c) grey-red-red (d) grey-red-black
  21. 21.🌈 A resistor has the colour bands blue, yellow, red. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 A resistor has the colour bands white, red, orange. What is its value in kilo-ohms (kΩ)? =
  23. 23.🌈 A resistor has the colour bands red, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 In the resistor colour code, which number does brown stand for?
  25. 25.🌈 A resistor has the colour bands green, black, brown. What is its value (in ohms)?
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 10 Ω resistor? (a) red-black-black (b) brown-black-black (c) brown-black-brown (d) red-brown-black
  27. 27.🌈 A resistor has the colour bands white, violet, red. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 A resistor has the colour bands white, orange, brown. What is its value (in ohms)?
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 540 Ω resistor? (a) green-yellow-black (b) green-yellow-brown (c) green-yellow-red (d) yellow-green-brown
  30. 30.🌈 A resistor has the colour bands green, red, brown. What is its value (in ohms)?
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6200 Ω resistor? (a) blue-red-red (b) blue-red-orange (c) red-blue-red (d) blue-red-brown
  32. 32.🌈 A resistor has the colour bands brown, black, red. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 A resistor has the colour bands brown, violet, black. What is its value (in ohms)?
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 19000 Ω resistor? (a) brown-white-red (b) white-brown-orange (c) brown-white-orange (d) brown-white-yellow
  35. 35.🌈 A resistor has the colour bands orange, green, black. What is its value (in ohms)?
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 43000 Ω resistor? (a) orange-yellow-orange (b) yellow-orange-yellow (c) yellow-orange-red (d) yellow-orange-orange
  37. 37.🌈 A resistor has the colour bands grey, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands brown, black, yellow. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 9600 Ω resistor? (a) white-blue-orange (b) white-blue-brown (c) white-blue-red (d) blue-white-red
  40. 40.🌈 A resistor has the colour bands grey, violet, orange. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. the one nearest an end
  2. 820
  3. 32
  4. 9.6
  5. 7
  6. 96
  7. orange-grey-red
  8. 5 %
  9. 2300
  10. 8400
  11. grey-white-black
  12. 4
  13. red-yellow-brown
  14. 2
  15. 510
  16. 550
  17. 59000
  18. 5
  19. 11
  20. grey-red-brown
  21. 6.4
  22. 92
  23. 230
  24. 1
  25. 500
  26. brown-black-black
  27. 9.7
  28. 930
  29. green-yellow-brown
  30. 520
  31. blue-red-red
  32. 1
  33. 17
  34. brown-white-orange
  35. 35
  36. yellow-orange-orange
  37. 830
  38. 100
  39. white-blue-red
  40. 87

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