because it’s easier to recognize visual sequences of numbers as preferred resistor values than it is to visually decode each one every time.

because it’s easier to recognize visual sequences of numbers as preferred resistor values than it is to visually decode each one every time.

This resistor with bands of red, violet, yellow, and gold has a value of 270,000 ohms (270kΩ) with a tolerance of ±5%. \( \begin{eqnarray*}\text{R}_\text{t} &=& \frac{3.9 \times 6.8}{3.9 + 6.8} ...