← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 840 · 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) 0 % (c) 50 % (d) 25 %
  2. 2.🌈 A resistor has the colour bands white, violet, red. What is its value (in ohms)?
  3. 3.🌈 A resistor has the colour bands orange, black, orange. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 A resistor has the colour bands violet, yellow, red. What is its value (in ohms)?
  5. 5.🌈 A resistor has the colour bands grey, violet, orange. What is its value in kilo-ohms (kΩ)? =
  6. 6.🌈 In the resistor colour code, which number does violet stand for?
  7. 7.🌈 A resistor has the colour bands yellow, blue, brown. What is its value (in ohms)?
  8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 140 Ω resistor? (a) brown-yellow-brown (b) brown-yellow-red (c) yellow-brown-brown (d) brown-yellow-black
  9. 9.🌈 A resistor has the colour bands green, grey, brown. What is its value (in ohms)?
  10. 10.🌈 A resistor has the colour bands brown, red, red. What is its value in kilo-ohms (kΩ)? =
  11. 11.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 660 Ω resistor? (a) blue-blue-brown (b) blue-violet-brown (c) blue-blue-red (d) blue-blue-black
  12. 12.🌈 A resistor has the colour bands yellow, black, red. What is its value (in ohms)?
  13. 13.🌈 A resistor has the colour bands grey, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 A resistor has the colour bands red, orange, orange. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 A resistor has the colour bands brown, white, orange. What is its value (in ohms)?
  16. 16.🌈 Which band is read first on a resistor? (a) the widest gap (b) any band (c) the gold band (d) the one nearest an end
  17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 9600 Ω resistor? (a) blue-white-red (b) white-blue-red (c) white-blue-brown (d) white-blue-orange
  18. 18.🌈 A resistor has the colour bands blue, grey, black. What is its value (in ohms)?
  19. 19.🌈 A resistor has the colour bands blue, red, yellow. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 A resistor has the colour bands violet, grey, red. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 In the resistor colour code, which number does black stand for?
  22. 22.🌈 A resistor has the colour bands white, grey, red. What is its value (in ohms)?
  23. 23.🌈 A resistor has the colour bands yellow, yellow, red. What is its value (in ohms)?
  24. 24.🌈 A resistor has the colour bands violet, white, brown. What is its value (in ohms)?
  25. 25.🌈 In the resistor colour code, which number does yellow stand for?
  26. 26.🌈 A resistor has the colour bands violet, orange, black. What is its value (in ohms)?
  27. 27.🌈 In the resistor colour code, which number does brown stand for?
  28. 28.🌈 In the resistor colour code, which number does red stand for?
  29. 29.🌈 A resistor has the colour bands grey, orange, red. What is its value (in ohms)?
  30. 30.🌈 A resistor has the colour bands green, black, red. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 A resistor has the colour bands orange, grey, red. What is its value (in ohms)?
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 370 Ω resistor? (a) violet-orange-brown (b) orange-violet-black (c) orange-violet-brown (d) orange-violet-red
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 29000 Ω resistor? (a) white-red-orange (b) red-white-orange (c) red-white-red (d) red-white-yellow
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 13 Ω resistor? (a) red-orange-black (b) brown-orange-black (c) brown-orange-brown (d) orange-brown-black
  35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8100 Ω resistor? (a) grey-brown-brown (b) brown-grey-red (c) grey-brown-red (d) grey-brown-orange
  36. 36.🌈 A resistor has the colour bands blue, yellow, brown. What is its value (in ohms)?
  37. 37.🌈 In the resistor colour code, which number does grey stand for?
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 220 Ω resistor? (a) red-red-black (b) red-red-red (c) red-red-brown (d) red-orange-brown
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 41 Ω resistor? (a) brown-yellow-black (b) yellow-brown-brown (c) green-brown-black (d) yellow-brown-black
  40. 40.🌈 A resistor has the colour bands yellow, green, black. What is its value (in ohms)?

Answer key

  1. 5 %
  2. 9700
  3. 30
  4. 7400
  5. 87
  6. 7
  7. 460
  8. brown-yellow-brown
  9. 580
  10. 1.2
  11. blue-blue-brown
  12. 4000
  13. 830
  14. 23
  15. 19000
  16. the one nearest an end
  17. white-blue-red
  18. 68
  19. 620
  20. 7.8
  21. 0
  22. 9800
  23. 4400
  24. 790
  25. 4
  26. 73
  27. 1
  28. 2
  29. 8300
  30. 5
  31. 3800
  32. orange-violet-brown
  33. red-white-orange
  34. brown-orange-black
  35. grey-brown-red
  36. 640
  37. 8
  38. red-red-brown
  39. yellow-brown-black
  40. 45

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