| Color | 1st Band | 2nd Band | Multiplier | Tolerance |
|---|---|---|---|---|
| Black | 0 | 0 | 1Ω | |
| Brown | 1 | 1 | 10Ω | |
| Red | 2 | 2 | 100Ω | |
| Orange | 3 | 3 | 1kΩ | |
| Yellow | 4 | 4 | 10kΩ | |
| Green | 5 | 5 | 100kΩ | |
| Blue | 6 | 6 | 1MΩ | |
| Violet | 7 | 7 | 10MΩ | |
| Grey | 8 | 8 | 100MΩ | |
| White | 9 | 9 | 1GΩ | |
| Gold | 0.1Ω | ±5% | ||
| Silver | 0.01Ω | ±10% |
Current, I in a metal wire is directly proportional to the potential difference, V
and inversely proportional to the resistance, R.
Current & Resistance
Resistance
Ohm's Law
Calculating Resistance