| http://www.w3.org/ns/prov#value | - ime, i.e. the power dissipated, is given by: ??Q kA ( ??1 ??? ?? 2 ) P= = ??? (15.1) ??t dwhere A is the area of the faces, d is the length of the block, ??1 and ??2 are the temperatures of the twofaces, and k is a constant, called the thermal conductivity, which depends on the material of the block.Searles apparatus is used to measure k for a material.
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