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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 56 · 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 gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 50 % (c) 25 % (d) 5 %
  2. 2.🌈 A resistor has the colour bands white, brown, red. What is its value in kilo-ohms (kΩ)? =
  3. 3.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 86000 Ω resistor? (a) blue-grey-orange (b) grey-blue-red (c) grey-blue-orange (d) grey-blue-yellow
  4. 4.🌈 Which band is read first on a resistor? (a) any band (b) the one nearest an end (c) the gold band (d) the widest gap
  5. 5.🌈 A resistor has the colour bands blue, green, black. What is its value (in ohms)?
  6. 6.🌈 In the resistor colour code, which number does red stand for?
  7. 7.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 89 Ω resistor? (a) white-grey-black (b) grey-white-brown (c) white-white-black (d) grey-white-black
  8. 8.🌈 A resistor has the colour bands green, white, orange. What is its value (in ohms)?
  9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 180 Ω resistor? (a) brown-grey-red (b) grey-brown-brown (c) brown-grey-brown (d) brown-grey-black
  10. 10.🌈 A resistor has the colour bands yellow, orange, brown. What is its value (in ohms)?
  11. 11.🌈 A resistor has the colour bands green, orange, red. What is its value (in ohms)?
  12. 12.🌈 In the resistor colour code, which number does brown stand for?
  13. 13.🌈 A resistor has the colour bands orange, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 A resistor has the colour bands red, orange, red. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 A resistor has the colour bands white, red, red. What is its value (in ohms)?
  16. 16.🌈 In the resistor colour code, which number does blue stand for?
  17. 17.🌈 A resistor has the colour bands white, red, yellow. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 A resistor has the colour bands violet, red, red. What is its value (in ohms)?
  19. 19.🌈 A resistor has the colour bands yellow, green, red. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 360 Ω resistor? (a) blue-orange-brown (b) orange-blue-brown (c) orange-blue-red (d) orange-blue-black
  21. 21.🌈 A resistor has the colour bands red, black, red. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 540 Ω resistor? (a) green-yellow-red (b) green-yellow-black (c) green-yellow-brown (d) yellow-green-brown
  23. 23.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 850 Ω resistor? (a) grey-green-red (b) grey-green-brown (c) grey-green-black (d) green-grey-brown
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 700 Ω resistor? (a) grey-violet-brown (b) violet-black-red (c) violet-black-black (d) violet-black-brown
  25. 25.🌈 A resistor has the colour bands orange, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 A resistor has the colour bands yellow, yellow, red. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 In the resistor colour code, which number does yellow stand for?
  28. 28.🌈 In the resistor colour code, which number does black stand for?
  29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 65000 Ω resistor? (a) green-blue-orange (b) blue-green-red (c) blue-green-yellow (d) blue-green-orange
  30. 30.🌈 A resistor has the colour bands brown, green, yellow. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 95000 Ω resistor? (a) white-green-orange (b) white-green-yellow (c) green-white-orange (d) white-green-red
  32. 32.🌈 A resistor has the colour bands orange, orange, red. What is its value (in ohms)?
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 3000 Ω resistor? (a) yellow-orange-red (b) orange-black-red (c) orange-black-orange (d) orange-black-brown
  34. 34.🌈 A resistor has the colour bands blue, white, black. What is its value (in ohms)?
  35. 35.🌈 A resistor has the colour bands violet, violet, red. What is its value in kilo-ohms (kΩ)? =
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6200 Ω resistor? (a) blue-red-orange (b) red-blue-red (c) blue-red-red (d) blue-red-brown
  37. 37.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 16 Ω resistor? (a) brown-blue-brown (b) red-blue-black (c) blue-brown-black (d) brown-blue-black
  38. 38.🌈 A resistor has the colour bands grey, black, yellow. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 In the resistor colour code, which number does white stand for?
  40. 40.🌈 A resistor has the colour bands blue, brown, yellow. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. 5 %
  2. 9.1
  3. grey-blue-orange
  4. the one nearest an end
  5. 65
  6. 2
  7. grey-white-black
  8. 59000
  9. brown-grey-brown
  10. 430
  11. 5300
  12. 1
  13. 34
  14. 2.3
  15. 9200
  16. 6
  17. 920
  18. 7200
  19. 4.5
  20. orange-blue-brown
  21. 2
  22. green-yellow-brown
  23. grey-green-brown
  24. violet-black-brown
  25. 380
  26. 4.4
  27. 4
  28. 0
  29. blue-green-orange
  30. 150
  31. white-green-orange
  32. 3300
  33. orange-black-red
  34. 69
  35. 7.7
  36. blue-red-red
  37. brown-blue-black
  38. 800
  39. 9
  40. 610

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