Question

State and explain the laws of thermal conductivity and hence mention the SI unit of coefficient of thermal conductivity

Answer 1



"Thermal conductivity λ isdefined as ability of material to transmit heatand it is measured in watts per square metre of surface area for a temperature gradient of 1 K per unitthickness of 1 m".Therefore, specific thermal conductivity is calculated as: ... = absolute thermalresistance (K/W, or °C/W).

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