For the wall shown below

a$.$ Draw the correct thermal circuit $($neglect contact resistance$)$

b$.$ Compute $T_i,T_j$&$T_r$

ANS.

$T_i=89\mathrm{.}3C$

$T_j=16\mathrm{.}44C$

$T_r=5\mathrm{.}74C$