← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 528 · 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 64 Ω resistor? (a) blue-yellow-black (b) yellow-blue-black (c) blue-yellow-brown (d) violet-yellow-black
  2. 2.🌈 Which band is read first on a resistor? (a) the one nearest an end (b) the widest gap (c) any band (d) the gold band
  3. 3.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 79000 Ω resistor? (a) violet-white-yellow (b) violet-white-red (c) violet-white-orange (d) white-violet-orange
  4. 4.🌈 A resistor has the colour bands brown, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  5. 5.🌈 A resistor has the colour bands grey, brown, brown. What is its value (in ohms)?
  6. 6.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 0 % (c) 25 % (d) 50 %
  7. 7.🌈 A resistor has the colour bands white, red, yellow. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 In the resistor colour code, which number does grey stand for?
  9. 9.🌈 In the resistor colour code, which number does yellow stand for?
  10. 10.🌈 In the resistor colour code, which number does brown stand for?
  11. 11.🌈 A resistor has the colour bands blue, brown, orange. What is its value (in ohms)?
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 50 Ω resistor? (a) blue-black-black (b) green-black-brown (c) green-black-black (d) blue-green-black
  13. 13.🌈 A resistor has the colour bands orange, white, orange. What is its value (in ohms)?
  14. 14.🌈 A resistor has the colour bands violet, white, yellow. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 A resistor has the colour bands white, brown, orange. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8500 Ω resistor? (a) grey-green-brown (b) green-grey-red (c) grey-green-orange (d) grey-green-red
  17. 17.🌈 A resistor has the colour bands red, brown, yellow. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 A resistor has the colour bands brown, white, orange. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82 Ω resistor? (a) grey-red-black (b) grey-red-brown (c) red-grey-black (d) white-red-black
  20. 20.🌈 In the resistor colour code, which number does blue stand for?
  21. 21.🌈 In the resistor colour code, which number does white stand for?
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 170 Ω resistor? (a) brown-violet-red (b) violet-brown-brown (c) brown-violet-brown (d) brown-violet-black
  23. 23.🌈 A resistor has the colour bands orange, grey, red. What is its value (in ohms)?
  24. 24.🌈 A resistor has the colour bands white, red, red. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2400 Ω resistor? (a) red-yellow-orange (b) red-yellow-brown (c) yellow-red-red (d) red-yellow-red
  26. 26.🌈 A resistor has the colour bands white, orange, orange. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands white, orange, red. What is its value (in ohms)?
  28. 28.🌈 A resistor has the colour bands orange, brown, red. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 380 Ω resistor? (a) grey-orange-brown (b) orange-grey-brown (c) orange-grey-red (d) orange-grey-black
  30. 30.🌈 In the resistor colour code, which number does green stand for?
  31. 31.🌈 A resistor has the colour bands brown, black, black. What is its value (in ohms)?
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 57000 Ω resistor? (a) green-violet-red (b) green-violet-yellow (c) green-violet-orange (d) violet-green-orange
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 800 Ω resistor? (a) grey-black-red (b) grey-black-black (c) grey-black-brown (d) white-grey-brown
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 90000 Ω resistor? (a) white-black-red (b) white-black-yellow (c) white-black-orange (d) brown-white-orange
  35. 35.🌈 A resistor has the colour bands yellow, black, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 A resistor has the colour bands brown, blue, black. What is its value (in ohms)?
  37. 37.🌈 In the resistor colour code, which number does black stand for?
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3600 Ω resistor? (a) orange-blue-brown (b) orange-blue-orange (c) orange-blue-red (d) blue-orange-red
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 84000 Ω resistor? (a) grey-yellow-yellow (b) grey-yellow-red (c) grey-yellow-orange (d) yellow-grey-orange
  40. 40.🌈 A resistor has the colour bands violet, grey, yellow. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. blue-yellow-black
  2. the one nearest an end
  3. violet-white-orange
  4. 14
  5. 810
  6. 5 %
  7. 920
  8. 8
  9. 4
  10. 1
  11. 61000
  12. green-black-black
  13. 39000
  14. 790
  15. 91
  16. grey-green-red
  17. 210
  18. 19
  19. grey-red-black
  20. 6
  21. 9
  22. brown-violet-brown
  23. 3800
  24. 9.2
  25. red-yellow-red
  26. 93
  27. 9300
  28. 3.1
  29. orange-grey-brown
  30. 5
  31. 10
  32. green-violet-orange
  33. grey-black-brown
  34. white-black-orange
  35. 4
  36. 16
  37. 0
  38. orange-blue-red
  39. grey-yellow-orange
  40. 780

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