← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 588 · 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 colour bands (1st digit, 2nd digit, multiplier) mark a 110 Ω resistor? (a) brown-red-brown (b) brown-brown-red (c) brown-brown-brown (d) brown-brown-black
  2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 56 Ω resistor? (a) green-blue-black (b) blue-green-black (c) green-blue-brown (d) blue-blue-black
  3. 3.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 36 Ω resistor? (a) yellow-blue-black (b) blue-orange-black (c) orange-blue-black (d) orange-blue-brown
  4. 4.🌈 A resistor has the colour bands violet, grey, orange. What is its value in kilo-ohms (kΩ)? =
  5. 5.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 50 % (c) 25 % (d) 0 %
  6. 6.🌈 A resistor has the colour bands green, violet, brown. What is its value (in ohms)?
  7. 7.🌈 In the resistor colour code, which number does red stand for?
  8. 8.🌈 A resistor has the colour bands white, violet, red. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 Which band is read first on a resistor? (a) the widest gap (b) the one nearest an end (c) any band (d) the gold band
  10. 10.🌈 A resistor has the colour bands brown, violet, red. What is its value (in ohms)?
  11. 11.🌈 A resistor has the colour bands brown, black, red. What is its value in kilo-ohms (kΩ)? =
  12. 12.🌈 A resistor has the colour bands violet, violet, orange. What is its value in kilo-ohms (kΩ)? =
  13. 13.🌈 A resistor has the colour bands yellow, brown, red. What is its value (in ohms)?
  14. 14.🌈 A resistor has the colour bands yellow, white, red. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82 Ω resistor? (a) red-grey-black (b) grey-red-black (c) white-red-black (d) grey-red-brown
  16. 16.🌈 In the resistor colour code, which number does white stand for?
  17. 17.🌈 A resistor has the colour bands yellow, green, red. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 A resistor has the colour bands green, black, brown. What is its value (in ohms)?
  19. 19.🌈 In the resistor colour code, which number does green stand for?
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 35 Ω resistor? (a) orange-green-brown (b) green-orange-black (c) yellow-green-black (d) orange-green-black
  21. 21.🌈 A resistor has the colour bands red, red, orange. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 A resistor has the colour bands grey, orange, orange. What is its value (in ohms)?
  23. 23.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 9400 Ω resistor? (a) white-yellow-orange (b) yellow-white-red (c) white-yellow-red (d) white-yellow-brown
  24. 24.🌈 In the resistor colour code, which number does violet stand for?
  25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 96 Ω resistor? (a) brown-blue-black (b) white-blue-brown (c) blue-white-black (d) white-blue-black
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 83000 Ω resistor? (a) grey-orange-yellow (b) orange-grey-orange (c) grey-orange-red (d) grey-orange-orange
  27. 27.🌈 A resistor has the colour bands orange, black, yellow. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 A resistor has the colour bands orange, orange, orange. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 A resistor has the colour bands blue, grey, brown. What is its value (in ohms)?
  30. 30.🌈 A resistor has the colour bands orange, white, red. What is its value (in ohms)?
  31. 31.🌈 In the resistor colour code, which number does black stand for?
  32. 32.🌈 A resistor has the colour bands blue, black, yellow. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 A resistor has the colour bands white, grey, orange. What is its value (in ohms)?
  34. 34.🌈 A resistor has the colour bands grey, green, black. What is its value (in ohms)?
  35. 35.🌈 A resistor has the colour bands red, red, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands blue, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands green, green, yellow. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands white, yellow, orange. What is its value (in ohms)?
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1800 Ω resistor? (a) brown-grey-brown (b) brown-grey-orange (c) brown-grey-red (d) grey-brown-red
  40. 40.🌈 In the resistor colour code, which number does brown stand for?

Answer key

  1. brown-brown-brown
  2. green-blue-black
  3. orange-blue-black
  4. 78
  5. 5 %
  6. 570
  7. 2
  8. 9.7
  9. the one nearest an end
  10. 1700
  11. 1
  12. 77
  13. 4100
  14. 4.9
  15. grey-red-black
  16. 9
  17. 4.5
  18. 500
  19. 5
  20. orange-green-black
  21. 22
  22. 83000
  23. white-yellow-red
  24. 7
  25. white-blue-black
  26. grey-orange-orange
  27. 300
  28. 33
  29. 680
  30. 3900
  31. 0
  32. 600
  33. 98000
  34. 85
  35. 2.2
  36. 610
  37. 550
  38. 94000
  39. brown-grey-red
  40. 1

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