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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 682 · 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) any band (c) the widest gap (d) the gold band
  2. 2.🌈 In the resistor colour code, which number does red stand for?
  3. 3.🌈 A resistor has the colour bands grey, green, yellow. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 A resistor has the colour bands orange, black, red. What is its value (in ohms)?
  5. 5.🌈 In the resistor colour code, which number does black stand for?
  6. 6.🌈 A resistor has the colour bands violet, green, red. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 In the resistor colour code, which number does yellow stand for?
  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 red, red, yellow. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 A resistor has the colour bands orange, violet, orange. What is its value (in ohms)?
  11. 11.🌈 A resistor has the colour bands yellow, orange, red. What is its value (in ohms)?
  12. 12.🌈 A resistor has the colour bands orange, violet, brown. What is its value (in ohms)?
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 72000 Ω resistor? (a) red-violet-orange (b) violet-red-red (c) violet-red-yellow (d) violet-red-orange
  14. 14.🌈 In the resistor colour code, which number does brown stand for?
  15. 15.🌈 A resistor has the colour bands grey, brown, black. What is its value (in ohms)?
  16. 16.🌈 A resistor has the colour bands yellow, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 A resistor has the colour bands white, violet, red. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 A resistor has the colour bands green, brown, red. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 330 Ω resistor? (a) orange-yellow-brown (b) orange-orange-black (c) orange-orange-brown (d) orange-orange-red
  20. 20.🌈 A resistor has the colour bands grey, white, orange. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 A resistor has the colour bands yellow, red, red. What is its value (in ohms)?
  22. 22.🌈 A resistor has the colour bands grey, grey, red. What is its value in kilo-ohms (kΩ)? =
  23. 23.🌈 A resistor has the colour bands blue, violet, brown. What is its value (in ohms)?
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 39 Ω resistor? (a) white-orange-black (b) orange-white-brown (c) yellow-white-black (d) orange-white-black
  25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 680 Ω resistor? (a) blue-grey-brown (b) blue-grey-black (c) blue-grey-red (d) grey-blue-brown
  26. 26.🌈 A resistor has the colour bands violet, red, yellow. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands white, yellow, brown. What is its value (in ohms)?
  28. 28.🌈 A resistor has the colour bands brown, black, red. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 260 Ω resistor? (a) red-blue-black (b) red-blue-brown (c) blue-red-brown (d) red-blue-red
  30. 30.🌈 A resistor has the colour bands green, orange, black. What is its value (in ohms)?
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2200 Ω resistor? (a) red-orange-red (b) red-red-orange (c) red-red-red (d) red-red-brown
  32. 32.🌈 A resistor has the colour bands red, red, black. What is its value (in ohms)?
  33. 33.🌈 A resistor has the colour bands brown, green, orange. What is its value (in ohms)?
  34. 34.🌈 A resistor has the colour bands orange, brown, orange. What is its value in kilo-ohms (kΩ)? =
  35. 35.🌈 A resistor has the colour bands grey, brown, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 76000 Ω resistor? (a) blue-violet-orange (b) violet-blue-yellow (c) violet-blue-red (d) violet-blue-orange
  37. 37.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6300 Ω resistor? (a) blue-orange-orange (b) blue-orange-red (c) orange-blue-red (d) blue-orange-brown
  38. 38.🌈 In the resistor colour code, which number does orange stand for?
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 320 Ω resistor? (a) orange-red-brown (b) red-orange-brown (c) orange-red-red (d) orange-red-black
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 20000 Ω resistor? (a) red-black-yellow (b) red-black-red (c) red-black-orange (d) orange-red-orange

Answer key

  1. the one nearest an end
  2. 2
  3. 850
  4. 3000
  5. 0
  6. 7.5
  7. 4
  8. 5 %
  9. 220
  10. 37000
  11. 4300
  12. 370
  13. violet-red-orange
  14. 1
  15. 81
  16. 460
  17. 9.7
  18. 5.1
  19. orange-orange-brown
  20. 89
  21. 4200
  22. 8.8
  23. 670
  24. orange-white-black
  25. blue-grey-brown
  26. 720
  27. 940
  28. 1
  29. red-blue-brown
  30. 53
  31. red-red-red
  32. 22
  33. 15000
  34. 31
  35. 8.1
  36. violet-blue-orange
  37. blue-orange-red
  38. 3
  39. orange-red-brown
  40. red-black-orange

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