In the relation R = R° (1 + α Δt) , ( here R and R° represents resistances), sometimes we directly use Δt as difference in the given temperatures while sometimes we have to assume the resistance at 0°C and then apply the values. Why and when do we have to do so?
In the relation R = R° (1 + α Δt) , ( here R and R° represents resistances), sometimes we directly use Δt as difference in the given temperatures while sometimes we have to assume the resistance at 0°C and then apply the values. Why and when do we have to do so?