27.8 Ом
Объяснение:
t1=10° t2=40° α=0.0039 1/K R1=25 Ом R2=?
===
R1=Ro*(1+α*t1)
R2=Ro*(1+α*t2)
R2=R1*(1+α*t2)/(1+α*t1)=25*(1+0.0039*40)/(1+0.0039*10)=27.8 Ом
27.8 Ом
Объяснение:
t1=10° t2=40° α=0.0039 1/K R1=25 Ом R2=?
===
R1=Ro*(1+α*t1)
R2=Ro*(1+α*t2)
R2=R1*(1+α*t2)/(1+α*t1)=25*(1+0.0039*40)/(1+0.0039*10)=27.8 Ом