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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 428 · 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.🌈 In the resistor colour code, which number does yellow stand for?
  2. 2.🌈 A resistor has the colour bands brown, black, yellow. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 A resistor has the colour bands white, red, yellow. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82000 Ω resistor? (a) grey-red-yellow (b) red-grey-orange (c) grey-red-red (d) grey-red-orange
  5. 5.🌈 In the resistor colour code, which number does black stand for?
  6. 6.🌈 A resistor has the colour bands red, green, yellow. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 25 % (c) 0 % (d) 50 %
  8. 8.🌈 A resistor has the colour bands green, brown, black. What is its value (in ohms)?
  9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3200 Ω resistor? (a) orange-red-orange (b) orange-red-brown (c) red-orange-red (d) orange-red-red
  10. 10.🌈 A resistor has the colour bands green, green, black. What is its value (in ohms)?
  11. 11.🌈 In the resistor colour code, which number does orange stand for?
  12. 12.🌈 A resistor has the colour bands brown, violet, black. What is its value (in ohms)?
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 23 Ω resistor? (a) orange-red-black (b) orange-orange-black (c) red-orange-black (d) red-orange-brown
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4600 Ω resistor? (a) blue-yellow-red (b) yellow-blue-brown (c) yellow-blue-red (d) yellow-blue-orange
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 210 Ω resistor? (a) red-brown-red (b) red-brown-black (c) red-brown-brown (d) brown-red-brown
  16. 16.🌈 A resistor has the colour bands blue, black, red. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 A resistor has the colour bands grey, yellow, brown. What is its value (in ohms)?
  18. 18.🌈 In the resistor colour code, which number does brown stand for?
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2600 Ω resistor? (a) blue-red-red (b) red-blue-orange (c) red-blue-red (d) red-blue-brown
  20. 20.🌈 A resistor has the colour bands green, yellow, black. What is its value (in ohms)?
  21. 21.🌈 A resistor has the colour bands brown, red, red. What is its value (in ohms)?
  22. 22.🌈 In the resistor colour code, which number does red stand for?
  23. 23.🌈 In the resistor colour code, which number does grey stand for?
  24. 24.🌈 A resistor has the colour bands violet, grey, orange. What is its value (in ohms)?
  25. 25.🌈 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
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 90 Ω resistor? (a) white-black-brown (b) white-black-black (c) brown-black-black (d) brown-white-black
  27. 27.🌈 A resistor has the colour bands blue, orange, orange. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6200 Ω resistor? (a) blue-red-red (b) blue-red-brown (c) red-blue-red (d) blue-red-orange
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 860 Ω resistor? (a) blue-grey-brown (b) grey-blue-brown (c) grey-blue-red (d) grey-blue-black
  30. 30.🌈 A resistor has the colour bands orange, blue, black. What is its value (in ohms)?
  31. 31.🌈 A resistor has the colour bands blue, red, orange. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5000 Ω resistor? (a) blue-green-red (b) green-black-orange (c) green-black-brown (d) green-black-red
  33. 33.🌈 A resistor has the colour bands orange, black, red. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 In the resistor colour code, which number does green stand for?
  35. 35.🌈 In the resistor colour code, which number does blue stand for?
  36. 36.🌈 A resistor has the colour bands red, black, brown. What is its value (in ohms)?
  37. 37.🌈 A resistor has the colour bands red, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands yellow, red, orange. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands violet, black, red. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands red, yellow, red. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. 4
  2. 100
  3. 920
  4. grey-red-orange
  5. 0
  6. 250
  7. 5 %
  8. 51
  9. orange-red-red
  10. 55
  11. 3
  12. 17
  13. red-orange-black
  14. yellow-blue-red
  15. red-brown-brown
  16. 6
  17. 840
  18. 1
  19. red-blue-red
  20. 54
  21. 1200
  22. 2
  23. 8
  24. 78000
  25. the one nearest an end
  26. white-black-black
  27. 63
  28. blue-red-red
  29. grey-blue-brown
  30. 36
  31. 62
  32. green-black-red
  33. 3
  34. 5
  35. 6
  36. 200
  37. 260
  38. 42
  39. 7000
  40. 2.4

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