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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 594 · 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.🌈 A resistor has the colour bands blue, white, orange. What is its value in kilo-ohms (kΩ)? =
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 26000 Ω resistor? (a) red-blue-red (b) red-blue-yellow (c) blue-red-orange (d) red-blue-orange
  3. 3.🌈 In the resistor colour code, which number does grey stand for?
  4. 4.🌈 A resistor has the colour bands red, yellow, black. What is its value (in ohms)?
  5. 5.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 28 Ω resistor? (a) orange-grey-black (b) grey-red-black (c) red-grey-black (d) red-grey-brown
  6. 6.🌈 A resistor has the colour bands violet, red, orange. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A resistor has the colour bands violet, black, red. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 In the resistor colour code, which number does white stand for?
  9. 9.🌈 Which band is read first on a resistor? (a) the widest gap (b) the gold band (c) any band (d) the one nearest an end
  10. 10.🌈 In the resistor colour code, which number does green stand for?
  11. 11.🌈 A resistor has the colour bands white, orange, orange. What is its value (in ohms)?
  12. 12.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 25 % (c) 50 % (d) 5 %
  13. 13.🌈 A resistor has the colour bands yellow, red, red. What is its value (in ohms)?
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 930 Ω resistor? (a) orange-white-brown (b) white-orange-brown (c) white-orange-black (d) white-orange-red
  15. 15.🌈 A resistor has the colour bands red, green, red. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 52000 Ω resistor? (a) green-red-red (b) green-red-orange (c) green-red-yellow (d) red-green-orange
  17. 17.🌈 A resistor has the colour bands white, black, orange. What is its value (in ohms)?
  18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 53000 Ω resistor? (a) green-orange-red (b) green-orange-yellow (c) green-orange-orange (d) orange-green-orange
  19. 19.🌈 A resistor has the colour bands green, grey, red. What is its value (in ohms)?
  20. 20.🌈 In the resistor colour code, which number does black stand for?
  21. 21.🌈 A resistor has the colour bands orange, brown, black. What is its value (in ohms)?
  22. 22.🌈 A resistor has the colour bands orange, yellow, red. What is its value (in ohms)?
  23. 23.🌈 A resistor has the colour bands violet, black, yellow. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 A resistor has the colour bands orange, black, orange. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 380 Ω resistor? (a) orange-grey-brown (b) orange-grey-black (c) orange-grey-red (d) grey-orange-brown
  26. 26.🌈 A resistor has the colour bands green, black, brown. What is its value (in ohms)?
  27. 27.🌈 In the resistor colour code, which number does red stand for?
  28. 28.🌈 A resistor has the colour bands blue, brown, brown. What is its value (in ohms)?
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 13 Ω resistor? (a) orange-brown-black (b) red-orange-black (c) brown-orange-brown (d) brown-orange-black
  30. 30.🌈 A resistor has the colour bands yellow, green, yellow. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6700 Ω resistor? (a) blue-violet-orange (b) blue-violet-red (c) violet-blue-red (d) blue-violet-brown
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 74000 Ω resistor? (a) yellow-violet-orange (b) violet-yellow-yellow (c) violet-yellow-red (d) violet-yellow-orange
  33. 33.🌈 A resistor has the colour bands green, green, orange. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 19000 Ω resistor? (a) brown-white-yellow (b) brown-white-orange (c) brown-white-red (d) white-brown-orange
  35. 35.🌈 A resistor has the colour bands yellow, yellow, orange. What is its value (in ohms)?
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 98000 Ω resistor? (a) white-grey-orange (b) white-grey-red (c) white-grey-yellow (d) grey-white-orange
  37. 37.🌈 A resistor has the colour bands green, black, yellow. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands orange, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands brown, white, black. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands orange, white, red. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. 69
  2. red-blue-orange
  3. 8
  4. 24
  5. red-grey-black
  6. 72
  7. 7
  8. 9
  9. the one nearest an end
  10. 5
  11. 93000
  12. 5 %
  13. 4200
  14. white-orange-brown
  15. 2.5
  16. green-red-orange
  17. 90000
  18. green-orange-orange
  19. 5800
  20. 0
  21. 31
  22. 3400
  23. 700
  24. 30
  25. orange-grey-brown
  26. 500
  27. 2
  28. 610
  29. brown-orange-black
  30. 450
  31. blue-violet-red
  32. violet-yellow-orange
  33. 55
  34. brown-white-orange
  35. 44000
  36. white-grey-orange
  37. 500
  38. 310
  39. 19
  40. 3.9

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