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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 899 · 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 5600 Ω resistor? (a) blue-green-red (b) green-blue-red (c) green-blue-orange (d) green-blue-brown
  2. 2.🌈 A gold fourth band on a resistor means the value may be off by … (a) 50 % (b) 5 % (c) 0 % (d) 25 %
  3. 3.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 12000 Ω resistor? (a) red-brown-orange (b) brown-red-red (c) brown-red-yellow (d) brown-red-orange
  4. 4.🌈 A resistor has the colour bands grey, blue, red. What is its value (in ohms)?
  5. 5.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 95 Ω resistor? (a) white-green-black (b) green-white-black (c) brown-green-black (d) white-green-brown
  6. 6.🌈 A resistor has the colour bands blue, violet, yellow. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A resistor has the colour bands green, white, black. What is its value (in ohms)?
  8. 8.🌈 Which band is read first on a resistor? (a) any band (b) the widest gap (c) the one nearest an end (d) the gold band
  9. 9.🌈 A resistor has the colour bands yellow, black, red. What is its value (in ohms)?
  10. 10.🌈 A resistor has the colour bands orange, white, red. What is its value (in ohms)?
  11. 11.🌈 In the resistor colour code, which number does grey stand for?
  12. 12.🌈 A resistor has the colour bands red, red, red. What is its value (in ohms)?
  13. 13.🌈 In the resistor colour code, which number does green stand for?
  14. 14.🌈 A resistor has the colour bands grey, red, orange. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 A resistor has the colour bands orange, blue, brown. What is its value (in ohms)?
  16. 16.🌈 In the resistor colour code, which number does white stand for?
  17. 17.🌈 A resistor has the colour bands orange, red, red. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 A resistor has the colour bands green, orange, orange. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 A resistor has the colour bands violet, red, orange. What is its value (in ohms)?
  20. 20.🌈 A resistor has the colour bands grey, orange, black. What is its value (in ohms)?
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6500 Ω resistor? (a) blue-green-brown (b) blue-green-orange (c) blue-green-red (d) green-blue-red
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 520 Ω resistor? (a) green-red-red (b) green-red-brown (c) red-green-brown (d) green-red-black
  23. 23.🌈 A resistor has the colour bands brown, orange, red. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 In the resistor colour code, which number does brown stand for?
  25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 27000 Ω resistor? (a) red-violet-orange (b) red-violet-red (c) violet-red-orange (d) red-violet-yellow
  26. 26.🌈 A resistor has the colour bands orange, orange, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 950 Ω resistor? (a) green-white-brown (b) white-green-brown (c) white-green-black (d) white-green-red
  28. 28.🌈 A resistor has the colour bands violet, green, red. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 A resistor has the colour bands grey, yellow, red. What is its value (in ohms)?
  30. 30.🌈 A resistor has the colour bands white, white, orange. What is its value (in ohms)?
  31. 31.🌈 A resistor has the colour bands orange, white, red. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 A resistor has the colour bands grey, blue, orange. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 A resistor has the colour bands red, green, red. What is its value (in ohms)?
  34. 34.🌈 A resistor has the colour bands blue, red, orange. What is its value in kilo-ohms (kΩ)? =
  35. 35.🌈 A resistor has the colour bands brown, green, red. What is its value (in ohms)?
  36. 36.🌈 A resistor has the colour bands white, blue, orange. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands brown, violet, red. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands white, red, red. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands violet, brown, red. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 43000 Ω resistor? (a) yellow-orange-red (b) yellow-orange-orange (c) yellow-orange-yellow (d) orange-yellow-orange

Answer key

  1. green-blue-red
  2. 5 %
  3. brown-red-orange
  4. 8600
  5. white-green-black
  6. 670
  7. 59
  8. the one nearest an end
  9. 4000
  10. 3900
  11. 8
  12. 2200
  13. 5
  14. 82
  15. 360
  16. 9
  17. 3.2
  18. 53
  19. 72000
  20. 83
  21. blue-green-red
  22. green-red-brown
  23. 1.3
  24. 1
  25. red-violet-orange
  26. 3.3
  27. white-green-brown
  28. 7.5
  29. 8400
  30. 99000
  31. 3.9
  32. 86
  33. 2500
  34. 62
  35. 1500
  36. 96
  37. 1.7
  38. 9.2
  39. 7.1
  40. yellow-orange-orange

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