Reciprocal of temperature coefficient of conductor material

Reciprocal of temperature coefficient of resistance at 0 °C of the conductor material.

Symbol
$\beta_c$
Unit
K
Formulae
$\frac{1}{\alpha_c}-20$
Choices
MaterialValue
Cu234.5
Al230.3
AL3250.0
Brz313.3
CuZn506.3
Ni140.5
SS980.0