|
| Conductivity σ/(S/m) | Density ρm/(kg/m3) | Relative dielectric constant εr/1 | Thermal conductivity κ/(W/m∙K) |
| Copper rails | 5.998 × 107 | 8940 | 1 | 400 |
| Aluminum armature | 3.774 × 107 | 2700 | 1 | 238 |