Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 939 · 40 questions

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.

1. 1.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 5000 Ω resistor? (a) green-black-red (b) green-black-orange (c) green-black-brown (d) blue-green-red
2. 2.🌈 Which band is read first on a resistor? (a) any band (b) the gold band (c) the one nearest an end (d) the widest gap
3. 3.🌈 In the resistor colour code, which number does violet stand for?
4. 4.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6100 Ω resistor? (a) blue-brown-red (b) brown-blue-red (c) blue-brown-brown (d) blue-brown-orange
5. 5.🌈 In the resistor colour code, which number does yellow stand for?
6. 6.🌈 A resistor has the colour bands violet, brown, red. What is its value (in ohms)?
7. 7.🌈 A resistor has the colour bands orange, blue, red. What is its value in kilo-ohms (kΩ)? =
8. 8.🌈 A resistor has the colour bands violet, violet, yellow. What is its value in kilo-ohms (kΩ)? =
9. 9.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 560 Ω resistor? (a) green-blue-brown (b) green-blue-red (c) blue-green-brown (d) green-blue-black
10. 10.🌈 A gold fourth band on a resistor means the value may be off by … (a) 5 % (b) 25 % (c) 50 % (d) 0 %
11. 11.🌈 In the resistor colour code, which number does black stand for?
12. 12.🌈 A resistor has the colour bands grey, orange, black. What is its value (in ohms)?
13. 13.🌈 A resistor has the colour bands violet, yellow, orange. What is its value in kilo-ohms (kΩ)? =
14. 14.🌈 In the resistor colour code, which number does brown stand for?
15. 15.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 110 Ω resistor? (a) brown-brown-black (b) brown-brown-brown (c) brown-brown-red (d) brown-red-brown
16. 16.🌈 A resistor has the colour bands grey, green, orange. What is its value in kilo-ohms (kΩ)? =
17. 17.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 6700 Ω resistor? (a) blue-violet-brown (b) violet-blue-red (c) blue-violet-orange (d) blue-violet-red
18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 10 Ω resistor? (a) brown-black-black (b) red-black-black (c) red-brown-black (d) brown-black-brown
19. 19.🌈 A resistor has the colour bands violet, blue, black. What is its value (in ohms)?
20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 470 Ω resistor? (a) violet-yellow-brown (b) yellow-violet-black (c) yellow-violet-red (d) yellow-violet-brown
21. 21.🌈 A resistor has the colour bands yellow, black, brown. What is its value (in ohms)?
22. 22.🌈 In the resistor colour code, which number does grey stand for?
23. 23.🌈 A resistor has the colour bands green, blue, orange. What is its value in kilo-ohms (kΩ)? =
24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 71 Ω resistor? (a) brown-violet-black (b) violet-brown-brown (c) violet-brown-black (d) grey-brown-black
25. 25.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 160 Ω resistor? (a) blue-brown-brown (b) brown-blue-brown (c) brown-blue-black (d) brown-blue-red
26. 26.🌈 A resistor has the colour bands brown, orange, orange. What is its value in kilo-ohms (kΩ)? =
27. 27.🌈 A resistor has the colour bands green, grey, black. What is its value (in ohms)?
28. 28.🌈 A resistor has the colour bands blue, yellow, yellow. What is its value in kilo-ohms (kΩ)? =
29. 29.🌈 In the resistor colour code, which number does white stand for?
30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 730 Ω resistor? (a) violet-orange-black (b) orange-violet-brown (c) violet-orange-red (d) violet-orange-brown
31. 31.🌈 In the resistor colour code, which number does blue stand for?
32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1100 Ω resistor? (a) brown-brown-brown (b) brown-red-red (c) brown-brown-orange (d) brown-brown-red
33. 33.🌈 A resistor has the colour bands grey, yellow, orange. What is its value in kilo-ohms (kΩ)? =
34. 34.🌈 A resistor has the colour bands grey, green, brown. What is its value (in ohms)?
35. 35.🌈 A resistor has the colour bands white, red, orange. What is its value in kilo-ohms (kΩ)? =
36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 32 Ω resistor? (a) yellow-red-black (b) red-orange-black (c) orange-red-black (d) orange-red-brown
37. 37.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 51 Ω resistor? (a) blue-brown-black (b) green-brown-black (c) brown-green-black (d) green-brown-brown
38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 75 Ω resistor? (a) violet-green-black (b) green-violet-black (c) violet-green-brown (d) grey-green-black
39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 650 Ω resistor? (a) blue-green-red (b) blue-green-brown (c) blue-green-black (d) green-blue-brown
40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4100 Ω resistor? (a) yellow-brown-brown (b) yellow-brown-red (c) yellow-brown-orange (d) brown-yellow-red

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