Three rods of lengths 20cm each and area of cross-section 1cm^(2) are joined to form a triangle ABC. The conductivities of the rods are K_(AB)=50J//m-s-^(0)C,K_(BC)=200J//m-s-""^(0)C and K_(AC)=400J//m-s-""^(0)C. The junctions A, B and C are maintained at 40^(@)C,80^(@)C and 80oC respectively. The rate of heat flowing through the rod AB is __________ W

Three rods of lengths 20cm each and area of cross-section 1cm^(2) are

1.	Three rods of lengths 20cm each and area of cross-section 1cm^(2) are joined to form a triangle ABC. The conductivities of the rods are K_(AB)=50J//m-s-^(0)C,K_(BC)=200J//m-s-""^(0)C and K_(AC)=400J//m-s-""^(0)C. The junctions A, B and C are maintained at 40^(@)C,80^(@)C and 80oC respectively. The rate of heat flowing through the rod AB is __________ W
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