Three identical rods A, B and C are placed end to end. A temperature difference is maintained between the free ends of A and C. The thermal conductitvity of B is thrice that of C and half that of A. The effective thermal conductivity of rod A)

Three identical rods A,B and C are placed end to end. A temperature difference is maintained between the free ends of A and C. The thermal conductivity of B is thrice that of C and half of that of A. The effective thermal conductivity of the system is ........... ( K_A is the thermal conductivity of rod A).

Three metal rod A, B and C of same length and cross-section are placed end to end and a temperature difference is maintained between the free ends of A and C. If the thermal conductivity of B(K_B) is twice that of C(K_C) and half that of A(K_A) , then the effective thermal conductivity of the system will be

Three identical metal rods A , B and C are placed end to end and a temperature difference is maintained between the free ends of A and C . If the thermal conductivity of B(K_(B)) is thrice that of C(K_(C )) and half that of A(K_(A)) , (K_(A)=49w//mK) calculate the effective thermal conductivity of the system ?

Three identical metal rods A , B and C are placed end to end and a temperature difference is maintained between the free ends of A and C . If the thermal conductivity of B(K_(B)) is twice that of C(K_(C )) and half that of A(K_(A)) , (K_(A)=49w//mK) calculate the effective thermal conductivity of the system ?

Two identical metal rods A and B are joined end to end. The free end of A is kept at 27°C and the free end of B at 37°C. Calculate the temperature of the interface. Thermal conductivity of A = 385 "Wm"^(-1) "K"^(-1) , that of B 110 "Wm"^(-1) "K"^(-1) .

Two rods A and B of same area of cross-section are joined together end to end The free end of the rod A is kept in melting ice at 300 K and free end of B rod at 400 K. The rods are of the same length. The conductivity of A is 3 times that of B. Calculate the temperature of the junction of the rods.

Four identical rods of same material are joined end to end to form a square. If the temperature difference between the ends of a diagonal is 100^(@)C , then the temperature difference between the ends of other diagonal will be