What do the colors on a resistor represent?
Understanding Resistor Color Codes

Quiz
•
Computers
•
12th Grade
•
Medium
Wafaa Mohammed
Used 9+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
The colors indicate the resistor's resistance value and tolerance.
The colors indicate the resistor's power rating.
The colors show the maximum voltage the resistor can handle.
The colors represent the manufacturing date of the resistor.
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
How many colors are typically used in a 4-band resistor?
3
5
2
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the value of the color red in the resistor color code?
2
1
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
If a resistor has the colors brown, black, and red, what is its value?
100 ohms
1000 ohms
10,000 ohms
1 ohm
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What does the gold band on a resistor indicate?
Power rating of 1 watt
Temperature coefficient of 100 ppm/°C
Tolerance of ±5%
Resistance value of 100 ohms
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
How do you calculate the tolerance of a resistor?
Subtract the tolerance percentage from the resistance value.
Identify the color bands; calculate tolerance using the formula: Tolerance = Resistance Value * Tolerance Percentage.
Use the resistor's wattage rating to determine tolerance.
Measure resistance with a multimeter; no calculation needed.
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the significance of the first two color bands on a resistor?
The first two color bands are used to identify the manufacturer of the resistor.
The first two color bands indicate the resistor's tolerance level.
The first two color bands represent the temperature coefficient of the resistor.
The first two color bands represent the first and second significant digits of the resistor's value.
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