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[" Illustration "2%.],[" Three identical...

[" Illustration "2%.],[" Three identical rods of length "1m" each,having cross-section area "],[" of "1cm^(2)" each and made of Aluminium,copper and steel respectively at "12^(20)C" .Auminum "],[" are maintained at temperatures of "12^(@)C,4^(@)C" and "50^(@)C" respectively at "12^(@)C" .Auminum "],[" their separate ends.Find the temperature of their common junction."],[qquad K_(Cu)=400W/m-K.K_(A1)=200W/mK,K_(" steed ")=50W/mK]]

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Three identical rods of length 1 m each, having cross-sectional area of 1cm^2 each and made of aluminium, copper and steel, respectively, are maintained at temperatures of 12^@C , 4^@C and 50^@C , respectively, at their separate ends. Find the teperature of their common junction. [K_(Cu)=400 W//m-K,K_(Al)=200 W//m-K,K_("steel")=50 W//m-K]

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