R1=400 Ом R2=503.2 Ом t1=20 t2=75 α=?
R1=Ro*(1+α*t1) R2=Ro*(1+α*t2)
α=(1-R1/R2)/(t2*R1/R2-t1)=(1-400/503.2)/(75*400/503.2-20)=0.0051
Вольфрам
R1=400 Ом R2=503.2 Ом t1=20 t2=75 α=?
R1=Ro*(1+α*t1) R2=Ro*(1+α*t2)
α=(1-R1/R2)/(t2*R1/R2-t1)=(1-400/503.2)/(75*400/503.2-20)=0.0051
Вольфрам