Specific Electric Resistance
The specific electric resistance (K) of a material is the resistance offered by a wire of the material which is one foot long with a diameter of one MIL.
| Material |
K |
Material |
K |
| Aluminum |
17.0 |
Brass |
43.0 |
| Constantan |
295.0 |
Copper |
10.8 |
| German Silver (18%) |
200.0 |
Gold |
14.7 |
| Iron (Pure) |
60.0 |
Magnesium |
276.0 |
| Manganin |
265.0 |
Monel |
253.0 |
| Nichrome |
600.0 |
Nickel |
947.0 |
| Silver |
9.7 |
Tantalum |
93.3 |
| Tin |
69.0 |
Tungsten |
34.0 |
The resistance of a wire is directly proportional to the specific electrical resistance of the material.