Resistivity and Temperature Coefficient at 20 C

Material
Resistivity r
(ohm m)
Temperature
coefficient
per degree C
Conductivity s
x 107 /Wm
Silver
1.59
x10^-8
.0061
6.29
Copper
1.68
x10^-8
.0068
5.95
Aluminum
2.65
x10^-8
.00429
3.77
Tungsten
5.6
x10^-8
.0045
1.79
Iron
9.71
x10^-8
.00651
1.03
Platinum
10.6
x10^-8
.003927
0.943
Manganin
48.2
x10^-8
.000002
0.207
Lead
22
x10^-8
...
0.45
Mercury
98
x10^-8
.0009
0.10
Nichrome
(Ni,Fe,Cr alloy)
100
x10^-8
.0004
0.10
Constantan
49
x10^-8
...
0.20
Carbon*
(graphite)
3-60
x10^-5
-.0005
...
Germanium*
1-500
x10^-3
-.05
...
Silicon*
0.1-60
...
-.07
...
Glass
1-10000
x10^9
...
...
Quartz
(fused)
7.5
x10^17
...
...
Hard rubber
1-100
x10^13
...
...

*The resistivity of semiconductors depends strongly on the presence of impurities in the material, a fact which makes them useful in solid state electronics.

Data from Giancoli

Resistivity discussion
Resistivity and conductivity of the elements
 Index

Tables

Reference
Giancoli
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