1SINCE ALL ARE IN PARALLEL THEREFORE
2n ARE THE NO. OF BRICKS
BY RECIPROCATING WE GET
AND THE RESULT FOLLOWS
a wall consists of alternating blocks with length d and coefficient of thermal conductivity k1 and k2 . the cross sectioal area of the blocks are the same . determine the coefficient of thermal conductivity of the wall...
{ans--- (k1 + k2 )/2}
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