← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 343 · 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.🌈 A resistor has the colour bands yellow, violet, orange. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 Which band is read first on a resistor? (a) the gold band (b) the widest gap (c) the one nearest an end (d) any band
  4. 4.🌈 A resistor has the colour bands grey, white, brown. 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, grey, brown. What is its value (in ohms)?
  7. 7.🌈 A resistor has the colour bands white, black, red. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 A resistor has the colour bands grey, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 In the resistor colour code, which number does blue stand for?
  10. 10.🌈 In the resistor colour code, which number does grey stand for?
  11. 11.🌈 In the resistor colour code, which number does brown stand for?
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 54000 Ω resistor? (a) green-yellow-red (b) green-yellow-orange (c) green-yellow-yellow (d) yellow-green-orange
  13. 13.🌈 A resistor has the colour bands orange, orange, orange. What is its value (in ohms)?
  14. 14.🌈 A resistor has the colour bands green, orange, black. What is its value (in ohms)?
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 16000 Ω resistor? (a) brown-blue-yellow (b) brown-blue-orange (c) blue-brown-orange (d) brown-blue-red
  16. 16.🌈 A resistor has the colour bands orange, blue, red. What is its value (in ohms)?
  17. 17.🌈 A resistor has the colour bands yellow, violet, orange. What is its value (in ohms)?
  18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 11000 Ω resistor? (a) brown-brown-red (b) brown-brown-orange (c) brown-brown-yellow (d) brown-red-orange
  19. 19.🌈 A resistor has the colour bands blue, red, black. What is its value (in ohms)?
  20. 20.🌈 A resistor has the colour bands white, yellow, orange. What is its value (in ohms)?
  21. 21.🌈 In the resistor colour code, which number does orange stand for?
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 58 Ω resistor? (a) grey-green-black (b) green-grey-black (c) green-grey-brown (d) blue-grey-black
  23. 23.🌈 A resistor has the colour bands brown, black, yellow. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 A resistor has the colour bands red, white, red. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 A resistor has the colour bands orange, brown, orange. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 A resistor has the colour bands violet, black, black. What is its value (in ohms)?
  27. 27.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 800 Ω resistor? (a) grey-black-black (b) grey-black-brown (c) white-grey-brown (d) grey-black-red
  28. 28.🌈 In the resistor colour code, which number does red stand for?
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2500 Ω resistor? (a) red-green-orange (b) red-green-red (c) red-green-brown (d) green-red-red
  30. 30.🌈 A resistor has the colour bands brown, green, black. What is its value (in ohms)?
  31. 31.🌈 A resistor has the colour bands yellow, blue, orange. What is its value (in ohms)?
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 71 Ω resistor? (a) brown-violet-black (b) grey-brown-black (c) violet-brown-black (d) violet-brown-brown
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 200 Ω resistor? (a) orange-red-brown (b) red-black-red (c) red-black-black (d) red-black-brown
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1300 Ω resistor? (a) brown-orange-brown (b) orange-brown-red (c) brown-orange-red (d) brown-orange-orange
  35. 35.🌈 A resistor has the colour bands red, blue, orange. What is its value (in ohms)?
  36. 36.🌈 A resistor has the colour bands blue, violet, red. What is its value (in ohms)?
  37. 37.🌈 A resistor has the colour bands blue, white, black. What is its value (in ohms)?
  38. 38.🌈 In the resistor colour code, which number does white stand for?
  39. 39.🌈 A resistor has the colour bands blue, black, red. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands blue, orange, black. What is its value (in ohms)?

Answer key

  1. 5 %
  2. 47
  3. the one nearest an end
  4. 890
  5. 0
  6. 780
  7. 9
  8. 860
  9. 6
  10. 8
  11. 1
  12. green-yellow-orange
  13. 33000
  14. 53
  15. brown-blue-orange
  16. 3600
  17. 47000
  18. brown-brown-orange
  19. 62
  20. 94000
  21. 3
  22. green-grey-black
  23. 100
  24. 2.9
  25. 31
  26. 70
  27. grey-black-brown
  28. 2
  29. red-green-red
  30. 15
  31. 46000
  32. violet-brown-black
  33. red-black-brown
  34. brown-orange-red
  35. 26000
  36. 6700
  37. 69
  38. 9
  39. 6000
  40. 63

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids