Worksheet - Resistor Color Codes
NAME _____________________________
The purpose of this worksheet is to help review your understanding of resistor color codes. Given 10 different sets of color bands,
determine the resistor values and tolerances.
1.
1st Band
2nd Band
3rd Band
4th Band
Green
Red
Brown
Silver
Blue
Gray
Black
Red
Brown
Orange
Orange
Gold
Yellow
Green
Black
Gold
Violet
Yellow
Red
Silver
Red
Red
Yellow
Gold
Orange
Violet
Brown
Red
White
Black
Green
Gold
Orange
White
Black
Silver
Green
Blue
Red
Red
Value
Tolerance
2. Calculate the maximum and minimum values of the following resistors
a) 470KΩ ± 2%
Max =
Min =
b) 1.1GΩ ± 10%
Max =
Min =
c) 81Ω ± 5%
Max =
Min =
3. Write out the color code for the following resistors
a) 4.7KΩ ± 5%
b) 81MΩ ± 5%