Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 195 · 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.🌈 In the resistor colour code, which number does yellow stand for?
2. 2.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1100 Ω resistor? (a) brown-brown-brown (b) brown-brown-orange (c) brown-red-red (d) brown-brown-red
3. 3.🌈 A resistor has the colour bands violet, grey, red. What is its value in kilo-ohms (kΩ)? =
4. 4.🌈 A resistor has the colour bands brown, red, orange. What is its value in kilo-ohms (kΩ)? =
5. 5.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 680 Ω resistor? (a) grey-blue-brown (b) blue-grey-brown (c) blue-grey-black (d) blue-grey-red
6. 6.🌈 Which band is read first on a resistor? (a) the widest gap (b) the gold band (c) the one nearest an end (d) any band
7. 7.🌈 A gold fourth band on a resistor means the value may be off by … (a) 50 % (b) 0 % (c) 5 % (d) 25 %
8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 810 Ω resistor? (a) grey-brown-red (b) brown-grey-brown (c) grey-brown-brown (d) grey-brown-black
9. 9.🌈 In the resistor colour code, which number does white stand for?
10. 10.🌈 In the resistor colour code, which number does brown stand for?
11. 11.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 8000 Ω resistor? (a) grey-black-red (b) grey-black-orange (c) grey-black-brown (d) white-grey-red
12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4900 Ω resistor? (a) yellow-white-brown (b) yellow-white-red (c) white-yellow-red (d) yellow-white-orange
13. 13.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 52000 Ω resistor? (a) red-green-orange (b) green-red-yellow (c) green-red-orange (d) green-red-red
14. 14.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 95 Ω resistor? (a) white-green-brown (b) green-white-black (c) white-green-black (d) brown-green-black
15. 15.🌈 A resistor has the colour bands brown, brown, black. What is its value (in ohms)?
16. 16.🌈 A resistor has the colour bands violet, black, orange. What is its value (in ohms)?
17. 17.🌈 A resistor has the colour bands red, brown, orange. What is its value (in ohms)?
18. 18.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 49000 Ω resistor? (a) yellow-white-yellow (b) yellow-white-red (c) white-yellow-orange (d) yellow-white-orange
19. 19.🌈 A resistor has the colour bands orange, violet, orange. What is its value (in ohms)?
20. 20.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 150 Ω resistor? (a) brown-green-black (b) green-brown-brown (c) brown-green-red (d) brown-green-brown
21. 21.🌈 In the resistor colour code, which number does green stand for?
22. 22.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 64 Ω resistor? (a) violet-yellow-black (b) blue-yellow-black (c) yellow-blue-black (d) blue-yellow-brown
23. 23.🌈 A resistor has the colour bands red, yellow, orange. What is its value in kilo-ohms (kΩ)? =
24. 24.🌈 A resistor has the colour bands violet, violet, brown. What is its value (in ohms)?
25. 25.🌈 A resistor has the colour bands yellow, yellow, brown. What is its value (in ohms)?
26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 1300 Ω resistor? (a) orange-brown-red (b) brown-orange-brown (c) brown-orange-red (d) brown-orange-orange
27. 27.🌈 In the resistor colour code, which number does orange stand for?
28. 28.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 76000 Ω resistor? (a) violet-blue-yellow (b) violet-blue-orange (c) blue-violet-orange (d) violet-blue-red
29. 29.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 97 Ω resistor? (a) white-violet-black (b) white-violet-brown (c) violet-white-black (d) brown-violet-black
30. 30.🌈 In the resistor colour code, which number does violet stand for?
31. 31.🌈 A resistor has the colour bands violet, black, orange. What is its value in kilo-ohms (kΩ)? =
32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 630 Ω resistor? (a) blue-orange-red (b) orange-blue-brown (c) blue-orange-black (d) blue-orange-brown
33. 33.🌈 A resistor has the colour bands grey, violet, black. What is its value (in ohms)?
34. 34.🌈 In the resistor colour code, which number does grey stand for?
35. 35.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 920 Ω resistor? (a) white-red-brown (b) white-red-red (c) white-red-black (d) red-white-brown
36. 36.🌈 A resistor has the colour bands brown, brown, red. What is its value in kilo-ohms (kΩ)? =
37. 37.🌈 A resistor has the colour bands brown, green, black. What is its value (in ohms)?
38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 28 Ω resistor? (a) red-grey-black (b) red-grey-brown (c) grey-red-black (d) orange-grey-black
39. 39.🌈 A resistor has the colour bands grey, violet, red. What is its value (in ohms)?
40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 34 Ω resistor? (a) yellow-yellow-black (b) orange-yellow-black (c) orange-yellow-brown (d) yellow-orange-black

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