Find the thermal resistance of an aluminium rod of length 20cm and area of cross section `1cm^(2)` . The heat current is along the length of the rod. Thermal conductivity of aluminium `=200Wm^(-1)K^(-1)` .
Text Solution
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The thermalresistance is `R=(x)/(KA)=(20xx10^(-2)m)/((200Wm^(-1)K^(-1))(1xx10^(-4)m^(2)))=10KW^(-1)` .
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