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[" Four rods identical in all respect "]...

[" Four rods identical in all respect "],[" other than their thermal "],[" conductivity are joined to form a "],[" square loop.The thermal "],[" conductivity of rods are shown in "],[" the figure.The ratio of "],[" temperatures of point "A" and "B" (in "],[" steady state) is "(k)/(35)." Find the value "],[" of "k" .[Other two ends are "],[" maintained at "100^(@)C" and "20^(@)C]]

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