One end of thermally insulated rod is kept at a temperature `T_(1)` and the other at `T_(2)`. The rod is composed of two section of length `l_(1)` and `l_(2)` thermal conductivities `k_(1)` and `k_(2)` respectively. The temerature at the interface of two section is

One end of a thermally insulated rod is kept at a temperature T_1 and the other at T_2 . The rod is composed of two sections of length l_1 and l_2 and thermal conductivities K_1 and K_2 respectively. The temperature at the interface of the two section is

One end of a thermally insulated rod is kept at a temperature T_1 and the other at T_2 . The rod is composed of two sections of length l_1 and l_2 and thermal conductivities K_1 and K_2 respectively. The temperature at the interface of the two section is

One end of a rod, enclosed in a thermally insulating sheath, is kept at a temperature T_1 while the other, at T_2 . The rod is composed of two sections whose lengths are l_1 and 1_2 and heat conductivity coefficients x_1 and x_2 . Find the temperature of the interface.

Two rods A and B are of equal lengths. Their ends are kept at the same temperature difference and their area of cross - sections are A_(1) and A_(2) and thermal conductivities k_(1) and k_(2) . The rate of heat transmission in two rods will be equal, if . . . .. . .

Two rods A and B are of equal lengths. Their ends of kept between the same temperature and their area of cross-section are A_(1) and A_(2) and thermal conductivities K_(1) and K_(2) . The rate of heat transmission in the two rods will be equal, if

Two rods A and B are of equal lengths. Their ends of kept between the same temperature and their area of cross-section are A_(1) and A_(2) and thermal conductivities K_(1) and K_(2) . The rate of heat transmission in the two rods will be equal, if

In above diagram, a combined rod is formed by connecting two rods of length l_(1) and l_(2) respectively and thermal conductivity k_(1) and k_(2) respectively. Temperature of ends of rods are T_(1) and T_(2) constant, then find the temperature of their contact surface ?

Two rods of same length and cross section are joined along the length. Thermal conductivities of first and second rod are K_(1) and K_(2) . The temperature of the free ends of the first and seconds rods are maintained at theta_(1) and theta_(2) respectively. The temperature of the common junction is

Two different metal rods of the same length have their ends kept at the same temperature theta_(1) , and theta_(2) with theta_(2) gt theta_(1) . If A_(1) and A_(2) are their cross-sectional areas and K_(1) and K_(2) their thermal conductivities, the rate of flow of heat in the two rods will be the same it:

Two rods of length l_(1) and l_(2) and coefficients of thermal conductivities k_(1) and K_(2) are kept touching each other. Both have the same area of cross-section. The equivalent of thermal conductivity is