← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 286 · 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 resistor has the colour bands brown, brown, orange. What is its value in kilo-ohms (kΩ)? =
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 71 Ω resistor? (a) brown-violet-black (b) grey-brown-black (c) violet-brown-brown (d) violet-brown-black
  3. 3.🌈 Which band is read first on a resistor? (a) any band (b) the widest gap (c) the gold band (d) the one nearest an end
  4. 4.🌈 In the resistor colour code, which number does yellow stand for?
  5. 5.🌈 In the resistor colour code, which number does blue stand for?
  6. 6.🌈 A gold fourth band on a resistor means the value may be off by … (a) 50 % (b) 5 % (c) 25 % (d) 0 %
  7. 7.🌈 A resistor has the colour bands white, black, black. What is its value (in ohms)?
  8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 110 Ω resistor? (a) brown-brown-brown (b) brown-brown-black (c) brown-brown-red (d) brown-red-brown
  9. 9.🌈 A resistor has the colour bands red, blue, red. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 A resistor has the colour bands red, blue, red. What is its value (in ohms)?
  11. 11.🌈 In the resistor colour code, which number does green stand for?
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5800 Ω resistor? (a) green-grey-brown (b) green-grey-red (c) green-grey-orange (d) grey-green-red
  13. 13.🌈 A resistor has the colour bands violet, black, red. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 49000 Ω resistor? (a) white-yellow-orange (b) yellow-white-orange (c) yellow-white-red (d) yellow-white-yellow
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 50000 Ω resistor? (a) green-black-yellow (b) green-black-red (c) green-black-orange (d) blue-green-orange
  16. 16.🌈 A resistor has the colour bands violet, yellow, yellow. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 In the resistor colour code, which number does brown stand for?
  18. 18.🌈 A resistor has the colour bands violet, black, orange. What is its value (in ohms)?
  19. 19.🌈 In the resistor colour code, which number does black stand for?
  20. 20.🌈 In the resistor colour code, which number does white stand for?
  21. 21.🌈 A resistor has the colour bands white, red, brown. What is its value (in ohms)?
  22. 22.🌈 A resistor has the colour bands white, brown, red. What is its value (in ohms)?
  23. 23.🌈 In the resistor colour code, which number does orange stand for?
  24. 24.🌈 A resistor has the colour bands green, yellow, yellow. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 A resistor has the colour bands violet, white, orange. What is its value (in ohms)?
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 280 Ω resistor? (a) red-grey-brown (b) red-grey-red (c) grey-red-brown (d) red-grey-black
  27. 27.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82 Ω resistor? (a) red-grey-black (b) grey-red-brown (c) grey-red-black (d) white-red-black
  28. 28.🌈 A resistor has the colour bands blue, violet, red. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 62 Ω resistor? (a) red-blue-black (b) violet-red-black (c) blue-red-black (d) blue-red-brown
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 15000 Ω resistor? (a) brown-green-red (b) brown-green-yellow (c) green-brown-orange (d) brown-green-orange
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 83000 Ω resistor? (a) grey-orange-red (b) orange-grey-orange (c) grey-orange-yellow (d) grey-orange-orange
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 900 Ω resistor? (a) white-black-red (b) white-black-brown (c) brown-white-brown (d) white-black-black
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4000 Ω resistor? (a) green-yellow-red (b) yellow-black-brown (c) yellow-black-red (d) yellow-black-orange
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 57000 Ω resistor? (a) green-violet-yellow (b) violet-green-orange (c) green-violet-red (d) green-violet-orange
  35. 35.🌈 A resistor has the colour bands white, black, orange. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 In the resistor colour code, which number does grey stand for?
  37. 37.🌈 A resistor has the colour bands blue, red, red. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands brown, green, red. What is its value (in ohms)?
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4400 Ω resistor? (a) yellow-green-red (b) yellow-yellow-red (c) yellow-yellow-brown (d) yellow-yellow-orange
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 28000 Ω resistor? (a) red-grey-orange (b) red-grey-yellow (c) grey-red-orange (d) red-grey-red

Answer key

  1. 11
  2. violet-brown-black
  3. the one nearest an end
  4. 4
  5. 6
  6. 5 %
  7. 90
  8. brown-brown-brown
  9. 2.6
  10. 2600
  11. 5
  12. green-grey-red
  13. 7
  14. yellow-white-orange
  15. green-black-orange
  16. 740
  17. 1
  18. 70000
  19. 0
  20. 9
  21. 920
  22. 9100
  23. 3
  24. 540
  25. 79000
  26. red-grey-brown
  27. grey-red-black
  28. 6.7
  29. blue-red-black
  30. brown-green-orange
  31. grey-orange-orange
  32. white-black-brown
  33. yellow-black-red
  34. green-violet-orange
  35. 90
  36. 8
  37. 6.2
  38. 1500
  39. yellow-yellow-red
  40. red-grey-orange

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