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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 320 · 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 gold band (b) any band (c) the widest gap (d) the one nearest an end
  2. 2.🌈 A resistor has the colour bands grey, red, orange. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 A resistor has the colour bands yellow, white, red. What is its value (in ohms)?
  4. 4.🌈 In the resistor colour code, which number does orange stand for?
  5. 5.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 0 % (c) 50 % (d) 25 %
  6. 6.🌈 A resistor has the colour bands white, violet, orange. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A resistor has the colour bands orange, red, black. What is its value (in ohms)?
  8. 8.🌈 In the resistor colour code, which number does violet stand for?
  9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 88000 Ω resistor? (a) grey-grey-yellow (b) grey-grey-red (c) grey-white-orange (d) grey-grey-orange
  10. 10.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 710 Ω resistor? (a) brown-violet-brown (b) violet-brown-red (c) violet-brown-black (d) violet-brown-brown
  11. 11.🌈 A resistor has the colour bands brown, white, orange. What is its value in kilo-ohms (kΩ)? =
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8700 Ω resistor? (a) grey-violet-orange (b) violet-grey-red (c) grey-violet-brown (d) grey-violet-red
  13. 13.🌈 A resistor has the colour bands violet, brown, red. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 A resistor has the colour bands orange, blue, orange. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 In the resistor colour code, which number does yellow stand for?
  16. 16.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1300 Ω resistor? (a) brown-orange-orange (b) brown-orange-red (c) brown-orange-brown (d) orange-brown-red
  17. 17.🌈 A resistor has the colour bands green, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 A resistor has the colour bands orange, red, yellow. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 In the resistor colour code, which number does blue stand for?
  20. 20.🌈 A resistor has the colour bands white, orange, orange. What is its value (in ohms)?
  21. 21.🌈 A resistor has the colour bands brown, yellow, red. What is its value (in ohms)?
  22. 22.🌈 A resistor has the colour bands white, grey, black. What is its value (in ohms)?
  23. 23.🌈 In the resistor colour code, which number does green stand for?
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1800 Ω resistor? (a) brown-grey-red (b) brown-grey-brown (c) grey-brown-red (d) brown-grey-orange
  25. 25.🌈 A resistor has the colour bands grey, green, yellow. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6200 Ω resistor? (a) blue-red-brown (b) blue-red-red (c) blue-red-orange (d) red-blue-red
  27. 27.🌈 A resistor has the colour bands grey, violet, red. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 A resistor has the colour bands brown, grey, red. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 76000 Ω resistor? (a) violet-blue-yellow (b) violet-blue-red (c) blue-violet-orange (d) violet-blue-orange
  30. 30.🌈 A resistor has the colour bands violet, orange, red. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 A resistor has the colour bands green, brown, red. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 A resistor has the colour bands brown, violet, orange. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 A resistor has the colour bands green, white, red. What is its value (in ohms)?
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 650 Ω resistor? (a) green-blue-brown (b) blue-green-red (c) blue-green-brown (d) blue-green-black
  35. 35.🌈 A resistor has the colour bands violet, white, orange. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands orange, violet, orange. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands brown, black, red. What is its value (in ohms)?
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 11000 Ω resistor? (a) brown-red-orange (b) brown-brown-orange (c) brown-brown-red (d) brown-brown-yellow
  39. 39.🌈 A resistor has the colour bands orange, brown, orange. What is its value (in ohms)?
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5300 Ω resistor? (a) orange-green-red (b) green-orange-orange (c) green-orange-brown (d) green-orange-red

Answer key

  1. the one nearest an end
  2. 82
  3. 4900
  4. 3
  5. 5 %
  6. 97
  7. 32
  8. 7
  9. grey-grey-orange
  10. violet-brown-brown
  11. 19
  12. grey-violet-red
  13. 7.1
  14. 36
  15. 4
  16. brown-orange-red
  17. 580
  18. 320
  19. 6
  20. 93000
  21. 1400
  22. 98
  23. 5
  24. brown-grey-red
  25. 850
  26. blue-red-red
  27. 8.7
  28. 1.8
  29. violet-blue-orange
  30. 7.3
  31. 5.1
  32. 17
  33. 5900
  34. blue-green-brown
  35. 79
  36. 37
  37. 1000
  38. brown-brown-orange
  39. 31000
  40. green-orange-red

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