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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 668 · 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) any band (c) the widest gap (d) the one nearest an end
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3300 Ω resistor? (a) orange-yellow-red (b) orange-orange-orange (c) orange-orange-red (d) orange-orange-brown
  3. 3.🌈 A resistor has the colour bands red, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 A resistor has the colour bands green, blue, orange. What is its value in kilo-ohms (kΩ)? =
  5. 5.🌈 A resistor has the colour bands green, brown, black. What is its value (in ohms)?
  6. 6.🌈 A resistor has the colour bands white, white, orange. What is its value (in ohms)?
  7. 7.🌈 A resistor has the colour bands grey, green, orange. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 A resistor has the colour bands brown, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 5 % (c) 50 % (d) 25 %
  10. 10.🌈 A resistor has the colour bands yellow, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  11. 11.🌈 In the resistor colour code, which number does blue stand for?
  12. 12.🌈 A resistor has the colour bands blue, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 600 Ω resistor? (a) violet-blue-brown (b) blue-black-black (c) blue-black-brown (d) blue-black-red
  14. 14.🌈 A resistor has the colour bands brown, violet, orange. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 A resistor has the colour bands orange, black, yellow. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 220 Ω resistor? (a) red-orange-brown (b) red-red-red (c) red-red-brown (d) red-red-black
  17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 55000 Ω resistor? (a) green-green-yellow (b) green-blue-orange (c) green-green-orange (d) green-green-red
  18. 18.🌈 A resistor has the colour bands white, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 A resistor has the colour bands grey, red, yellow. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 In the resistor colour code, which number does grey stand for?
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1100 Ω resistor? (a) brown-brown-orange (b) brown-brown-brown (c) brown-brown-red (d) brown-red-red
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1000 Ω resistor? (a) brown-black-red (b) red-brown-red (c) brown-black-orange (d) brown-black-brown
  23. 23.🌈 A resistor has the colour bands green, orange, orange. What is its value (in ohms)?
  24. 24.🌈 A resistor has the colour bands violet, green, orange. What is its value (in ohms)?
  25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 800 Ω resistor? (a) grey-black-black (b) white-grey-brown (c) grey-black-brown (d) grey-black-red
  26. 26.🌈 A resistor has the colour bands violet, blue, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands red, yellow, red. What is its value (in ohms)?
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 24 Ω resistor? (a) red-yellow-brown (b) orange-yellow-black (c) yellow-red-black (d) red-yellow-black
  29. 29.🌈 In the resistor colour code, which number does green stand for?
  30. 30.🌈 A resistor has the colour bands brown, orange, red. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 A resistor has the colour bands green, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 93 Ω resistor? (a) brown-orange-black (b) white-orange-black (c) orange-white-black (d) white-orange-brown
  33. 33.🌈 A resistor has the colour bands yellow, orange, brown. What is its value (in ohms)?
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 43 Ω resistor? (a) yellow-orange-brown (b) orange-yellow-black (c) yellow-orange-black (d) green-orange-black
  35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 59000 Ω resistor? (a) green-white-yellow (b) green-white-red (c) green-white-orange (d) white-green-orange
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 36000 Ω resistor? (a) blue-orange-orange (b) orange-blue-orange (c) orange-blue-yellow (d) orange-blue-red
  37. 37.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82000 Ω resistor? (a) grey-red-orange (b) grey-red-yellow (c) red-grey-orange (d) grey-red-red
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 58 Ω resistor? (a) blue-grey-black (b) green-grey-brown (c) green-grey-black (d) grey-green-black
  39. 39.🌈 In the resistor colour code, which number does red stand for?
  40. 40.🌈 A resistor has the colour bands orange, yellow, red. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. the one nearest an end
  2. orange-orange-red
  3. 230
  4. 56
  5. 51
  6. 99000
  7. 85
  8. 130
  9. 5 %
  10. 480
  11. 6
  12. 660
  13. blue-black-brown
  14. 17
  15. 300
  16. red-red-brown
  17. green-green-orange
  18. 94
  19. 820
  20. 8
  21. brown-brown-red
  22. brown-black-red
  23. 53000
  24. 75000
  25. grey-black-brown
  26. 7.6
  27. 2400
  28. red-yellow-black
  29. 5
  30. 1.3
  31. 560
  32. white-orange-black
  33. 430
  34. yellow-orange-black
  35. green-white-orange
  36. orange-blue-orange
  37. grey-red-orange
  38. green-grey-black
  39. 2
  40. 3.4

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