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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 71 · 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.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 25 % (c) 50 % (d) 5 %
  2. 2.🌈 Which band is read first on a resistor? (a) the one nearest an end (b) the gold band (c) the widest gap (d) any band
  3. 3.🌈 A resistor has the colour bands orange, violet, yellow. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 A resistor has the colour bands green, red, red. What is its value (in ohms)?
  5. 5.🌈 A resistor has the colour bands blue, black, black. What is its value (in ohms)?
  6. 6.🌈 A resistor has the colour bands white, black, red. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A resistor has the colour bands red, violet, brown. What is its value (in ohms)?
  8. 8.🌈 A resistor has the colour bands red, grey, brown. What is its value (in ohms)?
  9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 96000 Ω resistor? (a) white-blue-yellow (b) white-blue-red (c) white-blue-orange (d) blue-white-orange
  10. 10.🌈 A resistor has the colour bands green, grey, orange. What is its value in kilo-ohms (kΩ)? =
  11. 11.🌈 A resistor has the colour bands blue, white, red. What is its value in kilo-ohms (kΩ)? =
  12. 12.🌈 A resistor has the colour bands brown, orange, red. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 A resistor has the colour bands green, yellow, brown. What is its value (in ohms)?
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8300 Ω resistor? (a) orange-grey-red (b) grey-orange-red (c) grey-orange-brown (d) grey-orange-orange
  15. 15.🌈 A resistor has the colour bands white, black, brown. What is its value (in ohms)?
  16. 16.🌈 In the resistor colour code, which number does black stand for?
  17. 17.🌈 A resistor has the colour bands brown, red, orange. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 In the resistor colour code, which number does orange stand for?
  19. 19.🌈 A resistor has the colour bands red, black, red. What is its value (in ohms)?
  20. 20.🌈 A resistor has the colour bands violet, green, yellow. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 A resistor has the colour bands brown, red, orange. What is its value (in ohms)?
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 590 Ω resistor? (a) green-white-red (b) green-white-brown (c) green-white-black (d) white-green-brown
  23. 23.🌈 A resistor has the colour bands brown, grey, black. What is its value (in ohms)?
  24. 24.🌈 A resistor has the colour bands violet, black, black. What is its value (in ohms)?
  25. 25.🌈 A resistor has the colour bands white, grey, brown. What is its value (in ohms)?
  26. 26.🌈 A resistor has the colour bands orange, orange, brown. What is its value (in ohms)?
  27. 27.🌈 A resistor has the colour bands red, grey, orange. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 21 Ω resistor? (a) brown-red-black (b) red-brown-black (c) orange-brown-black (d) red-brown-brown
  29. 29.🌈 In the resistor colour code, which number does brown stand for?
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 55 Ω resistor? (a) green-green-black (b) blue-green-black (c) green-blue-black (d) green-green-brown
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8000 Ω resistor? (a) grey-black-brown (b) grey-black-orange (c) grey-black-red (d) white-grey-red
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 32000 Ω resistor? (a) orange-red-yellow (b) orange-red-red (c) red-orange-orange (d) orange-red-orange
  33. 33.🌈 A resistor has the colour bands red, orange, red. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 260 Ω resistor? (a) red-blue-red (b) red-blue-black (c) red-blue-brown (d) blue-red-brown
  35. 35.🌈 A resistor has the colour bands green, yellow, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands brown, violet, brown. What is its value (in ohms)?
  37. 37.🌈 In the resistor colour code, which number does red stand for?
  38. 38.🌈 A resistor has the colour bands grey, white, orange. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands green, white, brown. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands violet, black, yellow. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. 5 %
  2. the one nearest an end
  3. 370
  4. 5200
  5. 60
  6. 9
  7. 270
  8. 280
  9. white-blue-orange
  10. 58
  11. 6.9
  12. 1.3
  13. 540
  14. grey-orange-red
  15. 900
  16. 0
  17. 12
  18. 3
  19. 2000
  20. 750
  21. 12000
  22. green-white-brown
  23. 18
  24. 70
  25. 980
  26. 330
  27. 28
  28. red-brown-black
  29. 1
  30. green-green-black
  31. grey-black-red
  32. orange-red-orange
  33. 2.3
  34. red-blue-brown
  35. 5.4
  36. 170
  37. 2
  38. 89
  39. 590
  40. 700

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