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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 692 · 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 one nearest an end (b) the gold band (c) any band (d) the widest gap
  2. 2.🌈 A resistor has the colour bands orange, black, red. What is its value (in ohms)?
  3. 3.🌈 A resistor has the colour bands white, grey, orange. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 In the resistor colour code, which number does blue stand for?
  5. 5.🌈 A gold fourth band on a resistor means the value may be off by … (a) 25 % (b) 50 % (c) 0 % (d) 5 %
  6. 6.🌈 In the resistor colour code, which number does brown stand for?
  7. 7.🌈 In the resistor colour code, which number does black stand for?
  8. 8.🌈 A resistor has the colour bands yellow, white, red. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 A resistor has the colour bands brown, yellow, yellow. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 A resistor has the colour bands blue, black, orange. What is its value (in ohms)?
  11. 11.🌈 A resistor has the colour bands white, grey, red. What is its value in kilo-ohms (kΩ)? =
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 84000 Ω resistor? (a) grey-yellow-red (b) yellow-grey-orange (c) grey-yellow-yellow (d) grey-yellow-orange
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4300 Ω resistor? (a) yellow-orange-red (b) yellow-orange-brown (c) orange-yellow-red (d) yellow-orange-orange
  14. 14.🌈 A resistor has the colour bands brown, orange, red. What is its value (in ohms)?
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 800 Ω resistor? (a) white-grey-brown (b) grey-black-brown (c) grey-black-black (d) grey-black-red
  16. 16.🌈 In the resistor colour code, which number does green stand for?
  17. 17.🌈 A resistor has the colour bands red, green, black. What is its value (in ohms)?
  18. 18.🌈 A resistor has the colour bands yellow, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 A resistor has the colour bands white, blue, red. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6200 Ω resistor? (a) blue-red-red (b) blue-red-orange (c) blue-red-brown (d) red-blue-red
  21. 21.🌈 A resistor has the colour bands brown, red, black. What is its value (in ohms)?
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 95 Ω resistor? (a) green-white-black (b) white-green-brown (c) white-green-black (d) brown-green-black
  23. 23.🌈 A resistor has the colour bands grey, yellow, red. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 7100 Ω resistor? (a) brown-violet-red (b) violet-brown-orange (c) violet-brown-red (d) violet-brown-brown
  25. 25.🌈 A resistor has the colour bands orange, violet, black. What is its value (in ohms)?
  26. 26.🌈 A resistor has the colour bands orange, red, red. What is its value (in ohms)?
  27. 27.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 9300 Ω resistor? (a) orange-white-red (b) white-orange-brown (c) white-orange-red (d) white-orange-orange
  28. 28.🌈 In the resistor colour code, which number does yellow stand for?
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 570 Ω resistor? (a) violet-green-brown (b) green-violet-black (c) green-violet-red (d) green-violet-brown
  30. 30.🌈 A resistor has the colour bands violet, grey, red. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 310 Ω resistor? (a) orange-brown-brown (b) orange-brown-red (c) orange-brown-black (d) brown-orange-brown
  32. 32.🌈 In the resistor colour code, which number does red stand for?
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5300 Ω resistor? (a) green-orange-brown (b) orange-green-red (c) green-orange-orange (d) green-orange-red
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3800 Ω resistor? (a) grey-orange-red (b) orange-grey-brown (c) orange-grey-orange (d) orange-grey-red
  35. 35.🌈 A resistor has the colour bands red, orange, orange. What is its value (in ohms)?
  36. 36.🌈 A resistor has the colour bands orange, blue, black. What is its value (in ohms)?
  37. 37.🌈 A resistor has the colour bands violet, yellow, red. What is its value (in ohms)?
  38. 38.🌈 In the resistor colour code, which number does violet stand for?
  39. 39.🌈 A resistor has the colour bands yellow, white, black. What is its value (in ohms)?
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 41 Ω resistor? (a) brown-yellow-black (b) yellow-brown-black (c) yellow-brown-brown (d) green-brown-black

Answer key

  1. the one nearest an end
  2. 3000
  3. 98
  4. 6
  5. 5 %
  6. 1
  7. 0
  8. 4.9
  9. 140
  10. 60000
  11. 9.8
  12. grey-yellow-orange
  13. yellow-orange-red
  14. 1300
  15. grey-black-brown
  16. 5
  17. 25
  18. 480
  19. 9.6
  20. blue-red-red
  21. 12
  22. white-green-black
  23. 8.4
  24. violet-brown-red
  25. 37
  26. 3200
  27. white-orange-red
  28. 4
  29. green-violet-brown
  30. 7.8
  31. orange-brown-brown
  32. 2
  33. green-orange-red
  34. orange-grey-red
  35. 23000
  36. 36
  37. 7400
  38. 7
  39. 49
  40. yellow-brown-black

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