The color code for carbon resistors is a system used to indicate the resistance value and tolerance of the resistor through a series of colored bands printed on its body. Typically consisting of four bands, the first two bands represent significant digits of the resistance value, the third band indicates the decimal multiplier (which shows how many zeros to add), and the fourth band denotes the tolerance level, with gold indicating ±5% and silver indicating ±10%. This coding system allows for easy identification of resistor values in electronic circuits, ensuring proper functionality and accuracy in various applications
What is the purpose of the color code on carbon resistors?
The color code indicates the resistance value and tolerance of the resistor, allowing for easy identification and selection in electronic circuits.
How many bands are typically found on a carbon resistor?
A standard carbon resistor typically has four color bands.
What do the first two bands on a carbon resistor represent?
The first two bands represent the significant digits of the resistance value.
What does the third band on a carbon resistor indicate?
The third band is a decimal multiplier, indicating how many zeros to add to the significant digits.
What information does the fourth band provide?
The fourth band indicates the tolerance of the resistor, which shows the possible variation from the marked resistance value.
What does the first band on a carbon resistor represent?
a) Tolerance
b) Significant digit
c) Decimal multiplier
d) Resistance type
Answer: b) Significant digit
How many color bands are typically found on a standard carbon resistor?
a) Two
b) Three
c) Four
d) Five
Answer: c) Four
What does a red band indicate in the color code?
a) 0
b) 1
c) 2
d) 3
Answer: c) 2
What is the tolerance indicated by a silver band on a resistor?
a) ±1%
b) ±5%
c) ±10%
d) ±20%
Answer: c) ±10%
Which color represents the number 5 in the resistor color code?
a) Green
b) Blue
c) Brown
d) Yellow
Answer: a) Green