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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 972 · 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 96000 Ω resistor? (a) white-blue-yellow (b) white-blue-orange (c) blue-white-orange (d) white-blue-red
  2. 2.🌈 A resistor has the colour bands green, white, yellow. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 A resistor has the colour bands yellow, violet, red. What is its value (in ohms)?
  4. 4.🌈 A resistor has the colour bands orange, red, orange. What is its value (in ohms)?
  5. 5.🌈 A resistor has the colour bands brown, blue, red. What is its value in kilo-ohms (kΩ)? =
  6. 6.🌈 A resistor has the colour bands orange, brown, orange. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 In the resistor colour code, which number does grey stand for?
  8. 8.🌈 A resistor has the colour bands green, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 5 % (c) 50 % (d) 25 %
  10. 10.🌈 A resistor has the colour bands blue, white, brown. What is its value (in ohms)?
  11. 11.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 71 Ω resistor? (a) grey-brown-black (b) brown-violet-black (c) violet-brown-brown (d) violet-brown-black
  12. 12.🌈 A resistor has the colour bands grey, blue, red. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 44000 Ω resistor? (a) yellow-yellow-orange (b) yellow-green-orange (c) yellow-yellow-yellow (d) yellow-yellow-red
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 24000 Ω resistor? (a) red-yellow-red (b) red-yellow-yellow (c) red-yellow-orange (d) yellow-red-orange
  15. 15.🌈 A resistor has the colour bands red, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 In the resistor colour code, which number does red stand for?
  17. 17.🌈 Which band is read first on a resistor? (a) any band (b) the gold band (c) the one nearest an end (d) the widest gap
  18. 18.🌈 A resistor has the colour bands green, orange, brown. What is its value (in ohms)?
  19. 19.🌈 A resistor has the colour bands brown, blue, brown. What is its value (in ohms)?
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 60000 Ω resistor? (a) blue-black-orange (b) blue-black-red (c) violet-blue-orange (d) blue-black-yellow
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 150 Ω resistor? (a) green-brown-brown (b) brown-green-black (c) brown-green-red (d) brown-green-brown
  22. 22.🌈 In the resistor colour code, which number does orange stand for?
  23. 23.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4300 Ω resistor? (a) yellow-orange-brown (b) yellow-orange-red (c) yellow-orange-orange (d) orange-yellow-red
  24. 24.🌈 A resistor has the colour bands brown, red, black. What is its value (in ohms)?
  25. 25.🌈 A resistor has the colour bands brown, violet, black. What is its value (in ohms)?
  26. 26.🌈 In the resistor colour code, which number does black stand for?
  27. 27.🌈 A resistor has the colour bands grey, white, orange. What is its value (in ohms)?
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 170 Ω resistor? (a) violet-brown-brown (b) brown-violet-red (c) brown-violet-black (d) brown-violet-brown
  29. 29.🌈 A resistor has the colour bands grey, white, orange. What is its value in kilo-ohms (kΩ)? =
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 75 Ω resistor? (a) violet-green-brown (b) grey-green-black (c) violet-green-black (d) green-violet-black
  31. 31.🌈 In the resistor colour code, which number does violet stand for?
  32. 32.🌈 In the resistor colour code, which number does brown stand for?
  33. 33.🌈 A resistor has the colour bands red, brown, black. What is its value (in ohms)?
  34. 34.🌈 A resistor has the colour bands grey, black, orange. What is its value (in ohms)?
  35. 35.🌈 A resistor has the colour bands brown, violet, orange. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands yellow, black, black. What is its value (in ohms)?
  37. 37.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 15000 Ω resistor? (a) brown-green-yellow (b) green-brown-orange (c) brown-green-red (d) brown-green-orange
  38. 38.🌈 A resistor has the colour bands violet, brown, black. What is its value (in ohms)?
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 34 Ω resistor? (a) orange-yellow-black (b) orange-yellow-brown (c) yellow-yellow-black (d) yellow-orange-black
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5200 Ω resistor? (a) green-red-orange (b) red-green-red (c) green-red-brown (d) green-red-red

Answer key

  1. white-blue-orange
  2. 590
  3. 4700
  4. 32000
  5. 1.6
  6. 31
  7. 8
  8. 580
  9. 5 %
  10. 690
  11. violet-brown-black
  12. 8.6
  13. yellow-yellow-orange
  14. red-yellow-orange
  15. 210
  16. 2
  17. the one nearest an end
  18. 530
  19. 160
  20. blue-black-orange
  21. brown-green-brown
  22. 3
  23. yellow-orange-red
  24. 12
  25. 17
  26. 0
  27. 89000
  28. brown-violet-brown
  29. 89
  30. violet-green-black
  31. 7
  32. 1
  33. 21
  34. 80000
  35. 17
  36. 40
  37. brown-green-orange
  38. 71
  39. orange-yellow-black
  40. green-red-red

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