Two rods are connected as shown. The rods are of same length and same cross sectional area. In steady state, the temperature `(theta)` of the interface will be -

Seven identical rods of matrical of thermal conductivity k are connected as shown in All the rod are of identical length l and cross sectional area A if the one end b is kept at 100^(@)C and the other end is kept at 0^(@)C The temperatures of the junctions C,D and E(theta_(D)andtheta_(E)) be in the steady state .

Two metallic rods are connected in series. Both are of same material of same length and same area of cross-section. If the conductivity of each rod be k, then what will be the conductivity of the combination ?

Two rods of material, x and two of y are connected as shown in the figure. All the rods are indentical in length and cross-sectional area. If the end A is maintained at 80^(@)C and the end D is maintained at 10^(@)C , calculate the temperature of the junctions B and C in the steady state. Thermal conductivity of x is double that of y .

Three rods A, B and C of the same length and cross- sectional area are joined in series as shown. The temperature at the junction of A and B , in equilibriu, is

The two ends of a rod of length x and a uniform cross-sectional area A are kept at two temperatures theta_1 and theta_2 , (theta_1, > theta_2) . The rate of heat transfer (dQ)/dt through the rod in a steady state is given by

Four rods of same material and having the same cross section and length have been joined, as shown. The temperature of the junction of four rods will be :

Two ends of a rod of uniform cross sectional area are kept at temperature 3T_(0) and T_(0) as shown. Thermal conductivity of rod varies as k=alphaT , (where alpha is a constant and T is absolute temperature). In steady state, the temperature of the middle section of the rod is

Two ends of a rod of uniform cross sectional area are kept at temperature 3T_(0) and T_(0) as shown. Thermal conductivity of rod varies as k=alphaT , (where alpha is a constant and T is absolute temperature). In steady state, the temperature of the middle section of the rod is

Three rods of same material and having the same cross-section are joined as shown in the figure.The tremperature of junction of three rods is : .