Category: Everyday Science | Last updated: 2026-09-18

The coefficient of thermal expansion relates:

A) Stress to temperature
B) Change in length to temperature change: ΔL = αLΔT
C) Pressure to temperature
D) Conductivity to temperature

Explanation

α = (ΔL/L)/ΔT. Thermal strain = αΔT. Larger α means more expansion per degree.

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