← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 160 · 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 violet, brown, orange. What is its value in kilo-ohms (kΩ)? =
  2. 2.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 5 % (c) 25 % (d) 50 %
  3. 3.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 7600 Ω resistor? (a) blue-violet-red (b) violet-blue-orange (c) violet-blue-red (d) violet-blue-brown
  4. 4.🌈 In the resistor colour code, which number does grey stand for?
  5. 5.🌈 Which band is read first on a resistor? (a) any band (b) the gold band (c) the one nearest an end (d) the widest gap
  6. 6.🌈 A resistor has the colour bands blue, blue, orange. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A resistor has the colour bands violet, blue, black. What is its value (in ohms)?
  8. 8.🌈 A resistor has the colour bands brown, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 A resistor has the colour bands blue, green, black. What is its value (in ohms)?
  10. 10.🌈 A resistor has the colour bands blue, orange, black. What is its value (in ohms)?
  11. 11.🌈 In the resistor colour code, which number does red stand for?
  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 570 Ω resistor? (a) violet-green-brown (b) green-violet-brown (c) green-violet-red (d) green-violet-black
  14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 990 Ω resistor? (a) white-white-brown (b) white-white-red (c) white-white-black (d) white-black-brown
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 640 Ω resistor? (a) blue-yellow-red (b) blue-yellow-black (c) blue-yellow-brown (d) yellow-blue-brown
  16. 16.🌈 A resistor has the colour bands orange, brown, black. What is its value (in ohms)?
  17. 17.🌈 A resistor has the colour bands green, grey, red. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 In the resistor colour code, which number does green stand for?
  19. 19.🌈 A resistor has the colour bands green, black, red. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 A resistor has the colour bands orange, white, red. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 A resistor has the colour bands green, blue, brown. What is its value (in ohms)?
  22. 22.🌈 In the resistor colour code, which number does white stand for?
  23. 23.🌈 A resistor has the colour bands white, grey, brown. What is its value (in ohms)?
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6100 Ω resistor? (a) blue-brown-brown (b) brown-blue-red (c) blue-brown-orange (d) blue-brown-red
  25. 25.🌈 A resistor has the colour bands violet, black, brown. What is its value (in ohms)?
  26. 26.🌈 A resistor has the colour bands violet, black, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 In the resistor colour code, which number does orange stand for?
  28. 28.🌈 A resistor has the colour bands brown, orange, red. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 A resistor has the colour bands brown, brown, brown. What is its value (in ohms)?
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 7900 Ω resistor? (a) violet-white-orange (b) violet-white-brown (c) white-violet-red (d) violet-white-red
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 34000 Ω resistor? (a) orange-yellow-yellow (b) yellow-orange-orange (c) orange-yellow-red (d) orange-yellow-orange
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5700 Ω resistor? (a) violet-green-red (b) green-violet-orange (c) green-violet-red (d) green-violet-brown
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2400 Ω resistor? (a) red-yellow-brown (b) yellow-red-red (c) red-yellow-orange (d) red-yellow-red
  34. 34.🌈 A resistor has the colour bands yellow, red, yellow. What is its value in kilo-ohms (kΩ)? =
  35. 35.🌈 A resistor has the colour bands blue, black, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands orange, red, red. What is its value (in ohms)?
  37. 37.🌈 A resistor has the colour bands brown, blue, red. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands yellow, orange, red. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 A resistor has the colour bands brown, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 A resistor has the colour bands violet, grey, orange. What is its value (in ohms)?

Answer key

  1. 71
  2. 5 %
  3. violet-blue-red
  4. 8
  5. the one nearest an end
  6. 66
  7. 76
  8. 160
  9. 65
  10. 63
  11. 2
  12. 7
  13. green-violet-brown
  14. white-white-brown
  15. blue-yellow-brown
  16. 31
  17. 5.8
  18. 5
  19. 5
  20. 3.9
  21. 560
  22. 9
  23. 980
  24. blue-brown-red
  25. 700
  26. 7
  27. 3
  28. 1.3
  29. 110
  30. violet-white-red
  31. orange-yellow-orange
  32. green-violet-red
  33. red-yellow-red
  34. 420
  35. 6
  36. 3200
  37. 1.6
  38. 4.3
  39. 180
  40. 78000

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