PHYSICS RESOURCES DATABASE
ELECTRICAL, MAGNETIC & OPTICAL PROPERTIES
TEMPERATURE COEFFICIENTS OF RESISTIVITIES
r » r
o(1 + a o D T)Values at ~20 °C
|
Substance |
a o (K-1) |
|
Aluminum |
0.003 9 |
|
Brass |
0.002 |
|
Constantan (60% Cu, 40% Ni) |
0.000 002 |
|
Copper |
0.003 93 |
|
Iron |
0.005 |
|
Manganin (~84% Cu, ~12% Mn, ~4% Ni) |
0.000 000 |
|
Mercury |
0.000 89 |
|
Nichrome (~59% Ni, ~ 23% Cu, ~ 16% Cr) |
0.000 4 |
|
Platinum |
0.003 927 |
|
Silver |
0.003 8 |
|
Tungsten |
0.004 5 |
|
Carbon |
-0.000 5 |
|
Germanium |
-0.05 |
|
Silicon |
-0.075 |
Return to Electrical, ...Properties