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Worksheetscolour codes of resistors
Total questions: 10
Worksheet time: 5mins
What does the first color on a resistor indicate?
The first digit of the resistance value
The second digit of the resistance value
The multiplier
The tolerance level
If the first color of a resistor is red, what digit does it represent?
2
3
1
4
What does the color gold on a resistor represent?
Multiplier
First digit
Second digit
Tolerance
What is the resistance value of a resistor with colors red, yellow, orange, and gold?
24 kilo ohms
240 ohms
24 mega ohms
2400 ohms
What is the tolerance level if the last color on the resistor is silver?
5%
10%
20%
15%
How do you calculate the resistance range for a resistor?
Multiply the resistance value by the tolerance percentage
Divide the resistance value by the tolerance percentage
Subtract the tolerance percentage from the resistance value
Add the tolerance percentage to the resistance value
What does a 'no color' tolerance band on a resistor indicate?
5% tolerance
10% tolerance
20% tolerance
No tolerance
What is the resistance value of a resistor with colors green, blue, red, and silver?
560 kilo ohms
56 kilo ohms
5600 ohms
560 ohms
If a resistor has a tolerance band with no color, what is the tolerance percentage?
20%
5%
15%
10%
What is the resistance value of a resistor with colors yellow, violet, green, and no color?
47 kilo ohms
470 ohms
4.7 ohms
4.7 mega ohms
