← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 696 · 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.🌈 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
  2. 2.🌈 In the resistor colour code, which number does brown stand for?
  3. 3.🌈 A resistor has the colour bands white, black, yellow. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 A resistor has the colour bands brown, red, red. What is its value (in ohms)?
  5. 5.🌈 In the resistor colour code, which number does black stand for?
  6. 6.🌈 In the resistor colour code, which number does white stand for?
  7. 7.🌈 A resistor has the colour bands red, brown, red. What is its value (in ohms)?
  8. 8.🌈 A resistor has the colour bands white, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 A gold fourth band on a resistor means the value may be off by … (a) 25 % (b) 5 % (c) 0 % (d) 50 %
  10. 10.🌈 In the resistor colour code, which number does green stand for?
  11. 11.🌈 A resistor has the colour bands red, yellow, brown. What is its value (in ohms)?
  12. 12.🌈 In the resistor colour code, which number does violet stand for?
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 50000 Ω resistor? (a) green-black-yellow (b) green-black-orange (c) blue-green-orange (d) green-black-red
  14. 14.🌈 A resistor has the colour bands brown, green, black. What is its value (in ohms)?
  15. 15.🌈 A resistor has the colour bands red, yellow, orange. What is its value (in ohms)?
  16. 16.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4100 Ω resistor? (a) yellow-brown-red (b) yellow-brown-orange (c) brown-yellow-red (d) yellow-brown-brown
  17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 64 Ω resistor? (a) blue-yellow-black (b) yellow-blue-black (c) blue-yellow-brown (d) violet-yellow-black
  18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 14000 Ω resistor? (a) brown-yellow-red (b) brown-yellow-yellow (c) brown-yellow-orange (d) yellow-brown-orange
  19. 19.🌈 A resistor has the colour bands white, violet, red. What is its value (in ohms)?
  20. 20.🌈 A resistor has the colour bands yellow, green, yellow. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 A resistor has the colour bands brown, brown, red. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 10000 Ω resistor? (a) brown-black-orange (b) red-brown-orange (c) brown-black-yellow (d) brown-black-red
  23. 23.🌈 A resistor has the colour bands violet, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 A resistor has the colour bands orange, yellow, brown. What is its value (in ohms)?
  25. 25.🌈 In the resistor colour code, which number does orange stand for?
  26. 26.🌈 In the resistor colour code, which number does blue stand for?
  27. 27.🌈 A resistor has the colour bands red, green, black. What is its value (in ohms)?
  28. 28.🌈 A resistor has the colour bands orange, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 A resistor has the colour bands brown, black, red. What is its value (in ohms)?
  30. 30.🌈 A resistor has the colour bands blue, yellow, yellow. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 A resistor has the colour bands white, white, yellow. What is its value in kilo-ohms (kΩ)? =
  32. 32.🌈 A resistor has the colour bands blue, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 9100 Ω resistor? (a) brown-white-red (b) white-brown-brown (c) white-brown-red (d) white-brown-orange
  34. 34.🌈 In the resistor colour code, which number does red stand for?
  35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8000 Ω resistor? (a) grey-black-orange (b) grey-black-brown (c) grey-black-red (d) white-grey-red
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 99000 Ω resistor? (a) white-white-yellow (b) white-white-red (c) white-white-orange (d) white-black-orange
  37. 37.🌈 A resistor has the colour bands yellow, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands green, grey, red. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands grey, yellow, black. What is its value (in ohms)?
  40. 40.🌈 A resistor has the colour bands orange, brown, orange. What is its value (in ohms)?

Answer key

  1. the one nearest an end
  2. 1
  3. 900
  4. 1200
  5. 0
  6. 9
  7. 2100
  8. 910
  9. 5 %
  10. 5
  11. 240
  12. 7
  13. green-black-orange
  14. 15
  15. 24000
  16. yellow-brown-red
  17. blue-yellow-black
  18. brown-yellow-orange
  19. 9700
  20. 450
  21. 1.1
  22. brown-black-orange
  23. 74
  24. 340
  25. 3
  26. 6
  27. 25
  28. 380
  29. 1000
  30. 640
  31. 990
  32. 630
  33. white-brown-red
  34. 2
  35. grey-black-red
  36. white-white-orange
  37. 480
  38. 5.8
  39. 84
  40. 31000

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