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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 623 · 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.

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  1. 1.🌈 A resistor has the colour bands orange, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  2. 2.🌈 A resistor has the colour bands brown, brown, orange. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 5 % (c) 25 % (d) 50 %
  4. 4.🌈 A resistor has the colour bands white, brown, black. What is its value (in ohms)?
  5. 5.🌈 A resistor has the colour bands yellow, yellow, black. What is its value (in ohms)?
  6. 6.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 22000 Ω resistor? (a) red-red-yellow (b) red-orange-orange (c) red-red-red (d) red-red-orange
  7. 7.🌈 A resistor has the colour bands white, violet, orange. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 A resistor has the colour bands blue, violet, black. What is its value (in ohms)?
  9. 9.🌈 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
  10. 10.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 36000 Ω resistor? (a) blue-orange-orange (b) orange-blue-yellow (c) orange-blue-orange (d) orange-blue-red
  11. 11.🌈 In the resistor colour code, which number does yellow stand for?
  12. 12.🌈 In the resistor colour code, which number does blue stand for?
  13. 13.🌈 In the resistor colour code, which number does red stand for?
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 98 Ω resistor? (a) brown-grey-black (b) white-grey-black (c) grey-white-black (d) white-grey-brown
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 92000 Ω resistor? (a) white-red-red (b) white-red-orange (c) red-white-orange (d) white-red-yellow
  16. 16.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 39 Ω resistor? (a) orange-white-black (b) orange-white-brown (c) yellow-white-black (d) white-orange-black
  17. 17.🌈 A resistor has the colour bands green, white, red. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 A resistor has the colour bands white, black, red. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 A resistor has the colour bands yellow, grey, red. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5500 Ω resistor? (a) green-blue-red (b) green-green-red (c) green-green-brown (d) green-green-orange
  21. 21.🌈 A resistor has the colour bands grey, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 In the resistor colour code, which number does violet stand for?
  23. 23.🌈 A resistor has the colour bands yellow, grey, orange. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 86 Ω resistor? (a) grey-blue-black (b) grey-blue-brown (c) blue-grey-black (d) white-blue-black
  25. 25.🌈 A resistor has the colour bands grey, white, brown. What is its value (in ohms)?
  26. 26.🌈 A resistor has the colour bands red, grey, orange. What is its value (in ohms)?
  27. 27.🌈 A resistor has the colour bands orange, orange, orange. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 A resistor has the colour bands yellow, white, brown. What is its value (in ohms)?
  29. 29.🌈 A resistor has the colour bands white, green, red. What is its value in kilo-ohms (kΩ)? =
  30. 30.🌈 A resistor has the colour bands yellow, red, orange. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 60 Ω resistor? (a) violet-black-black (b) violet-blue-black (c) blue-black-brown (d) blue-black-black
  32. 32.🌈 A resistor has the colour bands red, black, red. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 68000 Ω resistor? (a) blue-grey-yellow (b) grey-blue-orange (c) blue-grey-red (d) blue-grey-orange
  34. 34.🌈 A resistor has the colour bands blue, red, black. What is its value (in ohms)?
  35. 35.🌈 In the resistor colour code, which number does black stand for?
  36. 36.🌈 A resistor has the colour bands grey, red, yellow. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 In the resistor colour code, which number does green stand for?
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 69 Ω resistor? (a) white-blue-black (b) violet-white-black (c) blue-white-black (d) blue-white-brown
  39. 39.🌈 A resistor has the colour bands blue, brown, orange. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 A resistor has the colour bands violet, brown, yellow. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. 360
  2. 11
  3. 5 %
  4. 91
  5. 44
  6. red-red-orange
  7. 97
  8. 67
  9. the one nearest an end
  10. orange-blue-orange
  11. 4
  12. 6
  13. 2
  14. white-grey-black
  15. white-red-orange
  16. orange-white-black
  17. 5.9
  18. 9
  19. 4.8
  20. green-green-red
  21. 860
  22. 7
  23. 48
  24. grey-blue-black
  25. 890
  26. 28000
  27. 33
  28. 490
  29. 9.5
  30. 42
  31. blue-black-black
  32. 2
  33. blue-grey-orange
  34. 62
  35. 0
  36. 820
  37. 5
  38. blue-white-black
  39. 61
  40. 710

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