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Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 578 · 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.

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  1. 1.🌈 A resistor has the colour bands green, violet, red. What is its value in kilo-ohms (kΩ)? =
  2. 2.🌈 In the resistor colour code, which number does violet stand for?
  3. 3.🌈 A resistor has the colour bands brown, orange, black. What is its value (in ohms)?
  4. 4.🌈 In the resistor colour code, which number does black stand for?
  5. 5.🌈 A resistor has the colour bands violet, green, red. What is its value in kilo-ohms (kΩ)? =
  6. 6.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 460 Ω resistor? (a) yellow-blue-red (b) yellow-blue-black (c) blue-yellow-brown (d) yellow-blue-brown
  7. 7.🌈 A resistor has the colour bands blue, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  8. 8.🌈 A resistor has the colour bands white, black, yellow. What is its value in kilo-ohms (kΩ)? =
  9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 550 Ω resistor? (a) green-blue-brown (b) green-green-red (c) green-green-black (d) green-green-brown
  10. 10.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6200 Ω resistor? (a) blue-red-brown (b) blue-red-orange (c) blue-red-red (d) red-blue-red
  11. 11.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 50 % (c) 25 % (d) 0 %
  12. 12.🌈 A resistor has the colour bands yellow, orange, red. What is its value (in ohms)?
  13. 13.🌈 A resistor has the colour bands violet, green, yellow. What is its value in kilo-ohms (kΩ)? =
  14. 14.🌈 A resistor has the colour bands blue, white, orange. What is its value (in ohms)?
  15. 15.🌈 A resistor has the colour bands orange, yellow, yellow. What is its value in kilo-ohms (kΩ)? =
  16. 16.🌈 A resistor has the colour bands white, green, yellow. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 A resistor has the colour bands violet, violet, red. What is its value (in ohms)?
  18. 18.🌈 A resistor has the colour bands red, black, brown. What is its value (in ohms)?
  19. 19.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 350 Ω resistor? (a) orange-green-black (b) green-orange-brown (c) orange-green-red (d) orange-green-brown
  20. 20.🌈 A resistor has the colour bands red, violet, brown. What is its value (in ohms)?
  21. 21.🌈 A resistor has the colour bands brown, black, black. What is its value (in ohms)?
  22. 22.🌈 In the resistor colour code, which number does yellow stand for?
  23. 23.🌈 In the resistor colour code, which number does red stand for?
  24. 24.🌈 A resistor has the colour bands brown, brown, orange. What is its value in kilo-ohms (kΩ)? =
  25. 25.🌈 A resistor has the colour bands violet, black, red. What is its value in kilo-ohms (kΩ)? =
  26. 26.🌈 A resistor has the colour bands yellow, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  27. 27.🌈 A resistor has the colour bands brown, white, black. What is its value (in ohms)?
  28. 28.🌈 Which band is read first on a resistor? (a) any band (b) the one nearest an end (c) the widest gap (d) the gold band
  29. 29.🌈 A resistor has the colour bands white, red, red. What is its value in kilo-ohms (kΩ)? =
  30. 30.🌈 A resistor has the colour bands violet, black, black. What is its value (in ohms)?
  31. 31.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 97 Ω resistor? (a) white-violet-brown (b) white-violet-black (c) violet-white-black (d) brown-violet-black
  32. 32.🌈 A resistor has the colour bands grey, green, red. What is its value (in ohms)?
  33. 33.🌈 In the resistor colour code, which number does orange stand for?
  34. 34.🌈 A resistor has the colour bands violet, brown, brown. What is its value (in ohms)?
  35. 35.🌈 A resistor has the colour bands green, grey, red. What is its value (in ohms)?
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 470 Ω resistor? (a) yellow-violet-brown (b) violet-yellow-brown (c) yellow-violet-black (d) yellow-violet-red
  37. 37.🌈 A resistor has the colour bands grey, black, red. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 In the resistor colour code, which number does brown stand for?
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 12 Ω resistor? (a) brown-red-brown (b) brown-red-black (c) red-brown-black (d) red-red-black
  40. 40.🌈 A resistor has the colour bands blue, red, orange. What is its value in kilo-ohms (kΩ)? =

Answer key

  1. 5.7
  2. 7
  3. 13
  4. 0
  5. 7.5
  6. yellow-blue-brown
  7. 680
  8. 900
  9. green-green-brown
  10. blue-red-red
  11. 5 %
  12. 4300
  13. 750
  14. 69000
  15. 340
  16. 950
  17. 7700
  18. 200
  19. orange-green-brown
  20. 270
  21. 10
  22. 4
  23. 2
  24. 11
  25. 7
  26. 44
  27. 19
  28. the one nearest an end
  29. 9.2
  30. 70
  31. white-violet-black
  32. 8500
  33. 3
  34. 710
  35. 5800
  36. yellow-violet-brown
  37. 8
  38. 1
  39. brown-red-black
  40. 62

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