← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 399 · 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) 5 % (b) 25 % (c) 0 % (d) 50 %
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3200 Ω resistor? (a) red-orange-red (b) orange-red-red (c) orange-red-brown (d) orange-red-orange
  3. 3.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 42 Ω resistor? (a) green-red-black (b) yellow-red-black (c) red-yellow-black (d) yellow-red-brown
  4. 4.🌈 In the resistor colour code, which number does white stand for?
  5. 5.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 7400 Ω resistor? (a) violet-yellow-brown (b) yellow-violet-red (c) violet-yellow-red (d) violet-yellow-orange
  6. 6.🌈 A resistor has the colour bands green, violet, yellow. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 98 Ω resistor? (a) grey-white-black (b) white-grey-black (c) white-grey-brown (d) brown-grey-black
  8. 8.🌈 In the resistor colour code, which number does red stand for?
  9. 9.🌈 A resistor has the colour bands blue, brown, orange. What is its value in kilo-ohms (kΩ)? =
  10. 10.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 36000 Ω resistor? (a) orange-blue-yellow (b) orange-blue-red (c) blue-orange-orange (d) orange-blue-orange
  11. 11.🌈 In the resistor colour code, which number does orange stand for?
  12. 12.🌈 In the resistor colour code, which number does black stand for?
  13. 13.🌈 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
  14. 14.🌈 A resistor has the colour bands white, red, yellow. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 80 Ω resistor? (a) white-grey-black (b) grey-black-brown (c) grey-black-black (d) white-black-black
  16. 16.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 920 Ω resistor? (a) white-red-brown (b) white-red-red (c) red-white-brown (d) white-red-black
  17. 17.🌈 A resistor has the colour bands green, white, orange. What is its value (in ohms)?
  18. 18.🌈 In the resistor colour code, which number does blue stand for?
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82 Ω resistor? (a) grey-red-black (b) red-grey-black (c) white-red-black (d) grey-red-brown
  20. 20.🌈 A resistor has the colour bands green, brown, red. What is its value (in ohms)?
  21. 21.🌈 A resistor has the colour bands violet, red, red. What is its value (in ohms)?
  22. 22.🌈 A resistor has the colour bands grey, brown, red. What is its value (in ohms)?
  23. 23.🌈 A resistor has the colour bands blue, black, orange. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 90 Ω resistor? (a) white-black-black (b) white-black-brown (c) brown-white-black (d) brown-black-black
  25. 25.🌈 A resistor has the colour bands yellow, orange, red. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 530 Ω resistor? (a) orange-green-brown (b) green-orange-red (c) green-orange-black (d) green-orange-brown
  27. 27.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 62000 Ω resistor? (a) red-blue-orange (b) blue-red-yellow (c) blue-red-red (d) blue-red-orange
  28. 28.🌈 A resistor has the colour bands brown, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 A resistor has the colour bands white, red, black. What is its value (in ohms)?
  30. 30.🌈 In the resistor colour code, which number does grey stand for?
  31. 31.🌈 A resistor has the colour bands red, violet, yellow. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 In the resistor colour code, which number does green stand for?
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 930 Ω resistor? (a) white-orange-brown (b) white-orange-red (c) orange-white-brown (d) white-orange-black
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2600 Ω resistor? (a) blue-red-red (b) red-blue-orange (c) red-blue-red (d) red-blue-brown
  35. 35.🌈 A resistor has the colour bands orange, black, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands red, green, red. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 91000 Ω resistor? (a) white-brown-orange (b) brown-white-orange (c) white-brown-yellow (d) white-brown-red
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 69 Ω resistor? (a) blue-white-brown (b) violet-white-black (c) white-blue-black (d) blue-white-black
  39. 39.🌈 A resistor has the colour bands green, orange, red. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands red, green, orange. What is its value (in ohms)?

Answer key

  1. 5 %
  2. orange-red-red
  3. yellow-red-black
  4. 9
  5. violet-yellow-red
  6. 570
  7. white-grey-black
  8. 2
  9. 61
  10. orange-blue-orange
  11. 3
  12. 0
  13. the one nearest an end
  14. 920
  15. grey-black-black
  16. white-red-brown
  17. 59000
  18. 6
  19. grey-red-black
  20. 5100
  21. 7200
  22. 8100
  23. 60
  24. white-black-black
  25. 4.3
  26. green-orange-brown
  27. blue-red-orange
  28. 160
  29. 92
  30. 8
  31. 270
  32. 5
  33. white-orange-brown
  34. red-blue-red
  35. 3
  36. 2.5
  37. white-brown-orange
  38. blue-white-black
  39. 5300
  40. 25000

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