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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 398 · 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 widest gap (b) any band (c) the gold band (d) the one nearest an end
  2. 2.🌈 A gold fourth band on a resistor means the value may be off by … (a) 25 % (b) 0 % (c) 50 % (d) 5 %
  3. 3.🌈 A resistor has the colour bands green, red, red. What is its value in kilo-ohms (kΩ)? =
  4. 4.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 200 Ω resistor? (a) red-black-red (b) orange-red-brown (c) red-black-black (d) red-black-brown
  5. 5.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 710 Ω resistor? (a) violet-brown-red (b) brown-violet-brown (c) violet-brown-black (d) violet-brown-brown
  6. 6.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 73 Ω resistor? (a) grey-orange-black (b) violet-orange-black (c) violet-orange-brown (d) orange-violet-black
  7. 7.🌈 A resistor has the colour bands red, red, red. What is its value (in ohms)?
  8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 560 Ω resistor? (a) green-blue-black (b) green-blue-brown (c) blue-green-brown (d) green-blue-red
  9. 9.🌈 A resistor has the colour bands blue, red, black. What is its value (in ohms)?
  10. 10.🌈 A resistor has the colour bands orange, orange, red. What is its value in kilo-ohms (kΩ)? =
  11. 11.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 310 Ω resistor? (a) orange-brown-black (b) orange-brown-red (c) orange-brown-brown (d) brown-orange-brown
  12. 12.🌈 A resistor has the colour bands yellow, blue, brown. What is its value (in ohms)?
  13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 49 Ω resistor? (a) yellow-white-brown (b) white-yellow-black (c) yellow-white-black (d) green-white-black
  14. 14.🌈 In the resistor colour code, which number does red stand for?
  15. 15.🌈 A resistor has the colour bands white, red, brown. What is its value (in ohms)?
  16. 16.🌈 In the resistor colour code, which number does black stand for?
  17. 17.🌈 A resistor has the colour bands white, green, yellow. What is its value in kilo-ohms (kΩ)? =
  18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2700 Ω resistor? (a) violet-red-red (b) red-violet-red (c) red-violet-orange (d) red-violet-brown
  19. 19.🌈 A resistor has the colour bands brown, brown, orange. What is its value in kilo-ohms (kΩ)? =
  20. 20.🌈 A resistor has the colour bands blue, black, yellow. What is its value in kilo-ohms (kΩ)? =
  21. 21.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6000 Ω resistor? (a) violet-blue-red (b) blue-black-brown (c) blue-black-red (d) blue-black-orange
  22. 22.🌈 In the resistor colour code, which number does white stand for?
  23. 23.🌈 A resistor has the colour bands violet, brown, red. What is its value (in ohms)?
  24. 24.🌈 A resistor has the colour bands brown, orange, red. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 In the resistor colour code, which number does yellow stand for?
  26. 26.🌈 A resistor has the colour bands violet, violet, orange. What is its value (in ohms)?
  27. 27.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8300 Ω resistor? (a) orange-grey-red (b) grey-orange-orange (c) grey-orange-brown (d) grey-orange-red
  28. 28.🌈 A resistor has the colour bands blue, green, red. What is its value in kilo-ohms (kΩ)? =
  29. 29.🌈 A resistor has the colour bands red, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  30. 30.🌈 A resistor has the colour bands white, blue, yellow. What is its value in kilo-ohms (kΩ)? =
  31. 31.🌈 A resistor has the colour bands yellow, red, black. What is its value (in ohms)?
  32. 32.🌈 A resistor has the colour bands red, grey, red. What is its value in kilo-ohms (kΩ)? =
  33. 33.🌈 A resistor has the colour bands yellow, violet, brown. What is its value (in ohms)?
  34. 34.🌈 In the resistor colour code, which number does green stand for?
  35. 35.🌈 A resistor has the colour bands blue, white, red. What is its value (in ohms)?
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 480 Ω resistor? (a) yellow-grey-red (b) grey-yellow-brown (c) yellow-grey-black (d) yellow-grey-brown
  37. 37.🌈 A resistor has the colour bands green, green, red. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 A resistor has the colour bands yellow, violet, orange. What is its value in kilo-ohms (kΩ)? =
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82 Ω resistor? (a) white-red-black (b) red-grey-black (c) grey-red-brown (d) grey-red-black
  40. 40.🌈 A resistor has the colour bands red, black, red. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. the one nearest an end
  2. 5 %
  3. 5.2
  4. red-black-brown
  5. violet-brown-brown
  6. violet-orange-black
  7. 2200
  8. green-blue-brown
  9. 62
  10. 3.3
  11. orange-brown-brown
  12. 460
  13. yellow-white-black
  14. 2
  15. 920
  16. 0
  17. 950
  18. red-violet-red
  19. 11
  20. 600
  21. blue-black-red
  22. 9
  23. 7100
  24. 1.3
  25. 4
  26. 77000
  27. grey-orange-red
  28. 6.5
  29. 24
  30. 960
  31. 42
  32. 2.8
  33. 470
  34. 5
  35. 6900
  36. yellow-grey-brown
  37. 5.5
  38. 47
  39. grey-red-black
  40. 2

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