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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 133 · 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) the gold band (c) any band (d) the widest gap
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3700 Ω resistor? (a) violet-orange-red (b) orange-violet-brown (c) orange-violet-red (d) orange-violet-orange
  3. 3.🌈 A resistor has the colour bands yellow, black, orange. What is its value (in ohms)?
  4. 4.🌈 A resistor has the colour bands violet, white, red. What is its value (in ohms)?
  5. 5.🌈 A resistor has the colour bands yellow, white, black. What is its value (in ohms)?
  6. 6.🌈 A resistor has the colour bands brown, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A resistor has the colour bands violet, brown, brown. What is its value (in ohms)?
  8. 8.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 50 % (c) 0 % (d) 25 %
  9. 9.🌈 A resistor has the colour bands brown, orange, red. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 In the resistor colour code, which number does blue stand for?
  11. 11.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 7000 Ω resistor? (a) grey-violet-red (b) violet-black-red (c) violet-black-orange (d) violet-black-brown
  12. 12.🌈 A resistor has the colour bands brown, brown, orange. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 In the resistor colour code, which number does violet stand for?
  14. 14.🌈 A resistor has the colour bands green, green, brown. What is its value (in ohms)?
  15. 15.🌈 In the resistor colour code, which number does yellow stand for?
  16. 16.🌈 In the resistor colour code, which number does black stand for?
  17. 17.🌈 A resistor has the colour bands orange, violet, red. What is its value (in ohms)?
  18. 18.🌈 A resistor has the colour bands green, violet, red. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 A resistor has the colour bands yellow, violet, black. What is its value (in ohms)?
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 45 Ω resistor? (a) green-green-black (b) yellow-green-brown (c) yellow-green-black (d) green-yellow-black
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 830 Ω resistor? (a) orange-grey-brown (b) grey-orange-red (c) grey-orange-brown (d) grey-orange-black
  22. 22.🌈 In the resistor colour code, which number does red stand for?
  23. 23.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 36000 Ω resistor? (a) orange-blue-orange (b) blue-orange-orange (c) orange-blue-yellow (d) orange-blue-red
  24. 24.🌈 A resistor has the colour bands green, violet, orange. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 A resistor has the colour bands white, green, orange. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1300 Ω resistor? (a) brown-orange-orange (b) brown-orange-brown (c) orange-brown-red (d) brown-orange-red
  27. 27.🌈 In the resistor colour code, which number does brown stand for?
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 970 Ω resistor? (a) white-violet-black (b) violet-white-brown (c) white-violet-brown (d) white-violet-red
  29. 29.🌈 A resistor has the colour bands white, violet, red. What is its value (in ohms)?
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5300 Ω resistor? (a) green-orange-brown (b) orange-green-red (c) green-orange-orange (d) green-orange-red
  31. 31.🌈 A resistor has the colour bands green, orange, brown. What is its value (in ohms)?
  32. 32.🌈 A resistor has the colour bands blue, grey, orange. What is its value (in ohms)?
  33. 33.🌈 A resistor has the colour bands blue, orange, orange. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 A resistor has the colour bands orange, brown, black. What is its value (in ohms)?
  35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 43000 Ω resistor? (a) yellow-orange-yellow (b) yellow-orange-red (c) orange-yellow-orange (d) yellow-orange-orange
  36. 36.🌈 A resistor has the colour bands violet, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands brown, yellow, black. What is its value (in ohms)?
  38. 38.🌈 A resistor has the colour bands grey, orange, black. What is its value (in ohms)?
  39. 39.🌈 A resistor has the colour bands orange, brown, orange. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 A resistor has the colour bands green, yellow, red. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. the one nearest an end
  2. orange-violet-red
  3. 40000
  4. 7900
  5. 49
  6. 110
  7. 710
  8. 5 %
  9. 1.3
  10. 6
  11. violet-black-red
  12. 11
  13. 7
  14. 550
  15. 4
  16. 0
  17. 3700
  18. 5.7
  19. 47
  20. yellow-green-black
  21. grey-orange-brown
  22. 2
  23. orange-blue-orange
  24. 57
  25. 95
  26. brown-orange-red
  27. 1
  28. white-violet-brown
  29. 9700
  30. green-orange-red
  31. 530
  32. 68000
  33. 63
  34. 31
  35. yellow-orange-orange
  36. 780
  37. 14
  38. 83
  39. 31
  40. 5.4

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