Equation for thermal resistance of wall system - Heat Transfer

Q.  Consider the heat is transferred through a wall of surface area A and thickness t at the rate of q, what is the thermal resistance of the system? The thermal conductivity of the wall is k and the heat is transferred normal to the surface area A.
- Published on 11 Aug 15

a. kA
b. 1 / kA
c. kAt
d. t / kA

ANSWER: t / kA

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