Question

What is the resistivty tungsten temp at 0​

Answer 1

Answer:

Δρ = α * ΔT * ρ0

For example, at 20 °C (293 K), the resistivity of Copper at 20 °C is 1.68 * 10-8 , it's temperature coefficient is 0.0039 K-1, its resistivity at 30 °C is 1.75E-8.