← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 597 · 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 one nearest an end (b) any band (c) the widest gap (d) the gold band
  2. 2.🌈 A resistor has the colour bands orange, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 50 % (c) 0 % (d) 25 %
  4. 4.🌈 A resistor has the colour bands white, green, red. What is its value in kilo-ohms (kΩ)? =
  5. 5.🌈 In the resistor colour code, which number does orange stand for?
  6. 6.🌈 A resistor has the colour bands white, orange, orange. What is its value in kilo-ohms (kΩ)? =
  7. 7.🌈 A resistor has the colour bands green, red, orange. What is its value (in ohms)?
  8. 8.🌈 In the resistor colour code, which number does green stand for?
  9. 9.🌈 A resistor has the colour bands white, orange, red. What is its value (in ohms)?
  10. 10.🌈 A resistor has the colour bands orange, white, yellow. What is its value in kilo-ohms (kΩ)? =
  11. 11.🌈 A resistor has the colour bands brown, black, red. What is its value in kilo-ohms (kΩ)? =
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 75000 Ω resistor? (a) green-violet-orange (b) violet-green-red (c) violet-green-orange (d) violet-green-yellow
  13. 13.🌈 A resistor has the colour bands orange, blue, red. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 A resistor has the colour bands grey, red, black. What is its value (in ohms)?
  15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5800 Ω resistor? (a) grey-green-red (b) green-grey-brown (c) green-grey-orange (d) green-grey-red
  16. 16.🌈 A resistor has the colour bands red, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 A resistor has the colour bands green, orange, orange. What is its value (in ohms)?
  18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 88 Ω resistor? (a) grey-grey-brown (b) white-grey-black (c) grey-grey-black (d) grey-white-black
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 14 Ω resistor? (a) red-yellow-black (b) brown-yellow-brown (c) yellow-brown-black (d) brown-yellow-black
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 90 Ω resistor? (a) white-black-brown (b) brown-white-black (c) white-black-black (d) brown-black-black
  21. 21.🌈 A resistor has the colour bands orange, blue, orange. What is its value (in ohms)?
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 740 Ω resistor? (a) yellow-violet-brown (b) violet-yellow-red (c) violet-yellow-black (d) violet-yellow-brown
  23. 23.🌈 In the resistor colour code, which number does white stand for?
  24. 24.🌈 In the resistor colour code, which number does black stand for?
  25. 25.🌈 A resistor has the colour bands brown, violet, orange. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 A resistor has the colour bands orange, orange, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands orange, green, brown. What is its value (in ohms)?
  28. 28.🌈 A resistor has the colour bands grey, white, yellow. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 In the resistor colour code, which number does red stand for?
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2400 Ω resistor? (a) red-yellow-brown (b) red-yellow-orange (c) red-yellow-red (d) yellow-red-red
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 590 Ω resistor? (a) green-white-red (b) white-green-brown (c) green-white-brown (d) green-white-black
  32. 32.🌈 A resistor has the colour bands brown, orange, orange. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 A resistor has the colour bands brown, grey, red. What is its value in kilo-ohms (kΩ)? =
  34. 34.🌈 A resistor has the colour bands yellow, black, orange. What is its value in kilo-ohms (kΩ)? =
  35. 35.🌈 A resistor has the colour bands violet, brown, orange. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands red, red, orange. What is its value in kilo-ohms (kΩ)? =
  37. 37.🌈 A resistor has the colour bands violet, black, red. What is its value (in ohms)?
  38. 38.🌈 A resistor has the colour bands blue, red, red. What is its value (in ohms)?
  39. 39.🌈 A resistor has the colour bands violet, violet, yellow. What is its value in kilo-ohms (kΩ)? =
  40. 40.🌈 A resistor has the colour bands grey, black, black. What is its value (in ohms)?

Answer key

  1. the one nearest an end
  2. 34
  3. 5 %
  4. 9.5
  5. 3
  6. 93
  7. 52000
  8. 5
  9. 9300
  10. 390
  11. 1
  12. violet-green-orange
  13. 3.6
  14. 82
  15. green-grey-red
  16. 24
  17. 53000
  18. grey-grey-black
  19. brown-yellow-black
  20. white-black-black
  21. 36000
  22. violet-yellow-brown
  23. 9
  24. 0
  25. 17
  26. 3.3
  27. 350
  28. 890
  29. 2
  30. red-yellow-red
  31. green-white-brown
  32. 13
  33. 1.8
  34. 40
  35. 71
  36. 22
  37. 7000
  38. 6200
  39. 770
  40. 80

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