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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 282 · 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 colour bands (1st digit, 2nd digit, multiplier) mark a 4100 Ω resistor? (a) brown-yellow-red (b) yellow-brown-red (c) yellow-brown-brown (d) yellow-brown-orange
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 87000 Ω resistor? (a) violet-grey-orange (b) grey-violet-yellow (c) grey-violet-red (d) grey-violet-orange
  3. 3.🌈 In the resistor colour code, which number does black stand for?
  4. 4.🌈 A resistor has the colour bands yellow, grey, orange. What is its value (in ohms)?
  5. 5.🌈 Which band is read first on a resistor? (a) any band (b) the gold band (c) the one nearest an end (d) the widest gap
  6. 6.🌈 A resistor has the colour bands grey, grey, red. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 580 Ω resistor? (a) green-grey-red (b) green-grey-brown (c) grey-green-brown (d) green-grey-black
  8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 95 Ω resistor? (a) brown-green-black (b) white-green-brown (c) green-white-black (d) white-green-black
  9. 9.🌈 A resistor has the colour bands brown, black, orange. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 A resistor has the colour bands red, orange, black. What is its value (in ohms)?
  11. 11.🌈 A gold fourth band on a resistor means the value may be off by … (a) 25 % (b) 0 % (c) 50 % (d) 5 %
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1600 Ω resistor? (a) blue-brown-red (b) brown-blue-brown (c) brown-blue-red (d) brown-blue-orange
  13. 13.🌈 In the resistor colour code, which number does brown stand for?
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 540 Ω resistor? (a) green-yellow-red (b) green-yellow-black (c) green-yellow-brown (d) yellow-green-brown
  15. 15.🌈 A resistor has the colour bands violet, white, orange. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 A resistor has the colour bands orange, violet, yellow. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 45 Ω resistor? (a) yellow-green-brown (b) green-yellow-black (c) green-green-black (d) yellow-green-black
  18. 18.🌈 A resistor has the colour bands violet, red, yellow. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 A resistor has the colour bands red, white, black. What is its value (in ohms)?
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 64 Ω resistor? (a) yellow-blue-black (b) violet-yellow-black (c) blue-yellow-brown (d) blue-yellow-black
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 890 Ω resistor? (a) grey-white-brown (b) white-grey-brown (c) grey-white-black (d) grey-white-red
  22. 22.🌈 A resistor has the colour bands brown, orange, orange. What is its value in kilo-ohms (kΩ)? =
  23. 23.🌈 In the resistor colour code, which number does white stand for?
  24. 24.🌈 A resistor has the colour bands brown, green, brown. What is its value (in ohms)?
  25. 25.🌈 A resistor has the colour bands violet, black, brown. What is its value (in ohms)?
  26. 26.🌈 A resistor has the colour bands blue, violet, orange. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands yellow, violet, orange. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1400 Ω resistor? (a) brown-yellow-orange (b) brown-yellow-brown (c) brown-yellow-red (d) yellow-brown-red
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 440 Ω resistor? (a) yellow-green-brown (b) yellow-yellow-red (c) yellow-yellow-brown (d) yellow-yellow-black
  30. 30.🌈 A resistor has the colour bands violet, brown, brown. What is its value (in ohms)?
  31. 31.🌈 A resistor has the colour bands brown, blue, black. What is its value (in ohms)?
  32. 32.🌈 A resistor has the colour bands white, grey, red. What is its value (in ohms)?
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 620 Ω resistor? (a) blue-red-red (b) blue-red-brown (c) blue-red-black (d) red-blue-brown
  34. 34.🌈 A resistor has the colour bands red, red, black. What is its value (in ohms)?
  35. 35.🌈 In the resistor colour code, which number does green stand for?
  36. 36.🌈 A resistor has the colour bands orange, red, red. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands orange, brown, red. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 74000 Ω resistor? (a) violet-yellow-orange (b) violet-yellow-yellow (c) yellow-violet-orange (d) violet-yellow-red
  39. 39.🌈 A resistor has the colour bands red, blue, red. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 A resistor has the colour bands orange, green, brown. What is its value (in ohms)?

Answer key

  1. yellow-brown-red
  2. grey-violet-orange
  3. 0
  4. 48000
  5. the one nearest an end
  6. 8.8
  7. green-grey-brown
  8. white-green-black
  9. 10
  10. 23
  11. 5 %
  12. brown-blue-red
  13. 1
  14. green-yellow-brown
  15. 79
  16. 370
  17. yellow-green-black
  18. 720
  19. 29
  20. blue-yellow-black
  21. grey-white-brown
  22. 13
  23. 9
  24. 150
  25. 700
  26. 67
  27. 47
  28. brown-yellow-red
  29. yellow-yellow-brown
  30. 710
  31. 16
  32. 9800
  33. blue-red-brown
  34. 22
  35. 5
  36. 3.2
  37. 3.1
  38. violet-yellow-orange
  39. 2.6
  40. 350

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