Electrics - conductor

The wire is 107 meters long at 0 °C, and at every temperature increase of 1 °C, the length increases by 0.15 mm per 1 m length of wire. Determine a function that represents the wire's overall length as a temperature function. What is the length of the wire at a temperature of 65 °C?

Correct answer:

x =  108.0433 m

Step-by-step explanation:

l=107 m α=0.15 mm m=0.15:1000  m=0.00015 m t=65 °C  Δ=t0=650=65 °C  x=l (1+α Δ)=107 (1+0.0002 65)=108.0433 m



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