Which color band on a resistor indicates the multiplier?

The color band that indicates the multiplier on a resistor is indeed the third band. Resistors are marked with colored bands that represent numerical values and multipliers according to a standardized color code.

In this color-coding system, the first band represents the first significant digit, the second band represents the second significant digit, and the third band indicates the multiplier, which scales the value represented by the first two bands. The multiplier effectively determines the power of ten by which to multiply the combined value of the first two significant digits.

For example, if a resistor has color bands of red (2), green (5), and blue (×10), the first two bands give the significant digits 25, and the third band indicates that you multiply this by 10, resulting in a final resistance value of 250 ohms.

Understanding this color band coding is essential in electronics as it allows technicians to quickly assess resistor values and ensure correct circuit functionality.