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Resistivity and Temperature Coefficient |
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Written by Willy Gerber
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Monday, 16 June 2008 20:28 |
| Material Resistivity r (ohm m) | Temperature (°C) | Temperature coefficient per degree | C Conductivity s x 107 /Wm | | Silver | 20 | 1.59 x10^-8 | 0.0061 | 6.29 | | Copper | 20 | 1.68 x10^-8 | 0.0068 | 5.95 | | Aluminum | 20 | 2.65 x10^-8 | 0.00429 | 3.77 | | Tungsten | 20 | 5.6 x10^-8 | 0.0045 | 1.79 | | Iron | 20 | 9.71 x10^-8 | 0.00651 | 1.03 | | Platinum | 20 | 10.6 x10^-8 | 0.003927 | 0.943 | | Manganin | 20 | 48.2 x10^-8 | 0.000002 | 0.207 | | Lead | 20 | 22 x10^-8 | - | 0.45 | | Mercury | 20 | 98 x10^-8 | 0.0009 | 0.10 | | Nichrome (Ni,Fe,Cr alloy) | 20 | 100 x10^-8 | 0.0004 | 0.10 | | Constantan | 20 | 49 x10^-8 | - | 0.20 | | Carbon (graphite) | 20 | 3-60 x10^-5 | -0.0005 | - | | Germanium | 20 | 1-500 x10^-3 | -0.05 | - | | Silicon | 20 | 0.1-60 | - | -0.07 | - | | Glass | 20 | 1-10000 x10^9 | - | - | | Quartz (fused) | 20 | 7.5 x10^17 | - | - | | Hard rubber | 20 | 1-100 x10^13 | - | - | Copyright gPhysics.net
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