A measure of the rate of flow of thermal energy through a material in the presence of a temperature gradient. If dQJdt is the rate at which heat is transmitted in a direction normal to a cross-sectional area A when a temperature gradient dT/dx is applied, then the thermal conductivity is SI unit is Wm 1 K-1. Materials with high electrical conductivities tend to have high thermal conductivities,
What is THERMAL CONDUCTIVITY?
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