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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 780 · 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 colour bands (1st digit, 2nd digit, multiplier) mark a 10 Ω resistor? (a) brown-black-brown (b) red-black-black (c) brown-black-black (d) red-brown-black
  2. 2.🌈 A resistor has the colour bands violet, black, yellow. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 Which band is read first on a resistor? (a) the one nearest an end (b) any band (c) the gold band (d) the widest gap
  4. 4.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 19000 Ω resistor? (a) brown-white-orange (b) brown-white-yellow (c) brown-white-red (d) white-brown-orange
  5. 5.🌈 A resistor has the colour bands grey, white, red. What is its value (in ohms)?
  6. 6.🌈 A gold fourth band on a resistor means the value may be off by … (a) 25 % (b) 0 % (c) 50 % (d) 5 %
  7. 7.🌈 A resistor has the colour bands grey, blue, orange. What is its value (in ohms)?
  8. 8.🌈 A resistor has the colour bands violet, red, yellow. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 In the resistor colour code, which number does grey stand for?
  10. 10.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4700 Ω resistor? (a) violet-yellow-red (b) yellow-violet-brown (c) yellow-violet-red (d) yellow-violet-orange
  11. 11.🌈 A resistor has the colour bands white, blue, black. What is its value (in ohms)?
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 9500 Ω resistor? (a) green-white-red (b) white-green-orange (c) white-green-red (d) white-green-brown
  13. 13.🌈 In the resistor colour code, which number does black stand for?
  14. 14.🌈 In the resistor colour code, which number does green stand for?
  15. 15.🌈 A resistor has the colour bands orange, orange, red. What is its value (in ohms)?
  16. 16.🌈 A resistor has the colour bands brown, blue, black. What is its value (in ohms)?
  17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82 Ω resistor? (a) red-grey-black (b) grey-red-black (c) white-red-black (d) grey-red-brown
  18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 560 Ω resistor? (a) green-blue-red (b) blue-green-brown (c) green-blue-black (d) green-blue-brown
  19. 19.🌈 A resistor has the colour bands yellow, brown, orange. What is its value (in ohms)?
  20. 20.🌈 In the resistor colour code, which number does orange stand for?
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 84000 Ω resistor? (a) grey-yellow-orange (b) grey-yellow-red (c) grey-yellow-yellow (d) yellow-grey-orange
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5200 Ω resistor? (a) green-red-brown (b) red-green-red (c) green-red-red (d) green-red-orange
  23. 23.🌈 A resistor has the colour bands white, white, orange. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 93 Ω resistor? (a) white-orange-black (b) white-orange-brown (c) brown-orange-black (d) orange-white-black
  25. 25.🌈 A resistor has the colour bands violet, white, orange. What is its value (in ohms)?
  26. 26.🌈 In the resistor colour code, which number does yellow stand for?
  27. 27.🌈 A resistor has the colour bands yellow, violet, orange. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 19 Ω resistor? (a) brown-white-brown (b) brown-white-black (c) red-white-black (d) white-brown-black
  29. 29.🌈 In the resistor colour code, which number does blue stand for?
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1100 Ω resistor? (a) brown-brown-brown (b) brown-red-red (c) brown-brown-orange (d) brown-brown-red
  31. 31.🌈 A resistor has the colour bands red, red, red. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 12 Ω resistor? (a) red-red-black (b) brown-red-brown (c) brown-red-black (d) red-brown-black
  33. 33.🌈 A resistor has the colour bands green, white, orange. What is its value (in ohms)?
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 52000 Ω resistor? (a) green-red-red (b) red-green-orange (c) green-red-yellow (d) green-red-orange
  35. 35.🌈 In the resistor colour code, which number does white stand for?
  36. 36.🌈 A resistor has the colour bands green, black, yellow. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands green, yellow, red. What is its value (in ohms)?
  38. 38.🌈 A resistor has the colour bands blue, yellow, red. What is its value (in ohms)?
  39. 39.🌈 A resistor has the colour bands red, black, red. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands blue, violet, orange. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. brown-black-black
  2. 700
  3. the one nearest an end
  4. brown-white-orange
  5. 8900
  6. 5 %
  7. 86000
  8. 720
  9. 8
  10. yellow-violet-red
  11. 96
  12. white-green-red
  13. 0
  14. 5
  15. 3300
  16. 16
  17. grey-red-black
  18. green-blue-brown
  19. 41000
  20. 3
  21. grey-yellow-orange
  22. green-red-red
  23. 99
  24. white-orange-black
  25. 79000
  26. 4
  27. 47
  28. brown-white-black
  29. 6
  30. brown-brown-red
  31. 2.2
  32. brown-red-black
  33. 59000
  34. green-red-orange
  35. 9
  36. 500
  37. 5400
  38. 6400
  39. 2000
  40. 67

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