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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 873 · 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) any band (c) the widest gap (d) the gold band
  2. 2.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 50 % (c) 25 % (d) 5 %
  3. 3.🌈 A resistor has the colour bands yellow, violet, orange. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 In the resistor colour code, which number does red stand for?
  5. 5.🌈 A resistor has the colour bands grey, violet, red. What is its value (in ohms)?
  6. 6.🌈 A resistor has the colour bands orange, black, brown. What is its value (in ohms)?
  7. 7.🌈 A resistor has the colour bands blue, white, black. What is its value (in ohms)?
  8. 8.🌈 A resistor has the colour bands red, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 A resistor has the colour bands grey, blue, orange. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 A resistor has the colour bands orange, red, red. What is its value (in ohms)?
  11. 11.🌈 In the resistor colour code, which number does white stand for?
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8000 Ω resistor? (a) grey-black-brown (b) grey-black-orange (c) white-grey-red (d) grey-black-red
  13. 13.🌈 In the resistor colour code, which number does yellow stand for?
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 9600 Ω resistor? (a) white-blue-red (b) white-blue-orange (c) blue-white-red (d) white-blue-brown
  15. 15.🌈 A resistor has the colour bands green, violet, black. What is its value (in ohms)?
  16. 16.🌈 In the resistor colour code, which number does grey stand for?
  17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 93 Ω resistor? (a) white-orange-black (b) orange-white-black (c) white-orange-brown (d) brown-orange-black
  18. 18.🌈 A resistor has the colour bands yellow, grey, red. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 A resistor has the colour bands yellow, black, yellow. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 A resistor has the colour bands blue, red, black. What is its value (in ohms)?
  21. 21.🌈 A resistor has the colour bands white, red, yellow. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 In the resistor colour code, which number does violet stand for?
  23. 23.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 44 Ω resistor? (a) yellow-yellow-brown (b) green-yellow-black (c) yellow-green-black (d) yellow-yellow-black
  24. 24.🌈 A resistor has the colour bands grey, white, red. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 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
  26. 26.🌈 A resistor has the colour bands brown, blue, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands yellow, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 In the resistor colour code, which number does brown stand for?
  29. 29.🌈 A resistor has the colour bands green, white, black. What is its value (in ohms)?
  30. 30.🌈 A resistor has the colour bands red, violet, black. What is its value (in ohms)?
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1800 Ω resistor? (a) brown-grey-orange (b) grey-brown-red (c) brown-grey-brown (d) brown-grey-red
  32. 32.🌈 A resistor has the colour bands white, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 A resistor has the colour bands orange, green, yellow. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 A resistor has the colour bands orange, black, orange. What is its value (in ohms)?
  35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 71000 Ω resistor? (a) violet-brown-orange (b) violet-brown-yellow (c) violet-brown-red (d) brown-violet-orange
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8700 Ω resistor? (a) violet-grey-red (b) grey-violet-red (c) grey-violet-brown (d) grey-violet-orange
  37. 37.🌈 A resistor has the colour bands green, blue, orange. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands brown, violet, brown. What is its value (in ohms)?
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 680 Ω resistor? (a) blue-grey-brown (b) grey-blue-brown (c) blue-grey-red (d) blue-grey-black
  40. 40.🌈 A resistor has the colour bands blue, blue, red. What is its value (in ohms)?

Answer key

  1. the one nearest an end
  2. 5 %
  3. 47
  4. 2
  5. 8700
  6. 300
  7. 69
  8. 24
  9. 86
  10. 3200
  11. 9
  12. grey-black-red
  13. 4
  14. white-blue-red
  15. 57
  16. 8
  17. white-orange-black
  18. 4.8
  19. 400
  20. 62
  21. 920
  22. 7
  23. yellow-yellow-black
  24. 8.9
  25. orange-orange-red
  26. 1.6
  27. 410
  28. 1
  29. 59
  30. 27
  31. brown-grey-red
  32. 980
  33. 350
  34. 30000
  35. violet-brown-orange
  36. grey-violet-red
  37. 56
  38. 170
  39. blue-grey-brown
  40. 6600

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