Specific resistance
$$\rho = \rho0\cdot (1+\alpha\cdot t)$$
ρ - specific resistance
ρ0 - specific resistance when temperature is 0 C
α - temperature coefficient of resistance
t - temperature
ρ0 - specific resistance when temperature is 0 C
α - temperature coefficient of resistance
t - temperature
Find
It is known that:
= 