Two bars of same length and same cross-sectional area but of different thermal conductivites `K_(1)` and `K_(2)` are joined end to end as shown in the figure. One end of the compound bar it is at temperature `T_(1)` and the opposite end at temperature `T_(2)` (where`T_(1) gt T_(2)`). The temperature of the junction is

Two bars of equal length and the same cross-sectional area but of different thermal conductivities, k_(1) and k_(2) , are joined end to end as shown in figure-4.36. One end of the composite bar is maintained at temperature T_(h) whereas the opposite end is held at T_(c) . If there are no heat losses from the sides of the bars, the temperature T_(j) of the junction is given by :

Two identical rods are made of different materials whose thermal conductivities are K_(1) and K_(2) . They are placed end to end between two heat reservoirs at temperatures theta_(1) and theta_(2) . The temperature of the junction of the rod is

Two identical rods are made of different materials whose thermal conductivities are K_(1) and K_(2) . They are placed end to end between two heat reservoirs at temperatures theta_(1) and theta_(2) . The temperature of the junction of the rod is

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

Consider two rods of equal cross - sectionai area A, one of Aluminium and other of iron joined end to end as shown in figure -4.8. Length of the two rods and their thermal coductivities are l_(1) , k_(1) and l_(2),k_(2) respectively . If the ends of the rods are maintained at temperature T_(1) and T_(2),(T_(1)gt T_(2)) find the temperature of the junction in steady state .

Two rods of different materials having differnet lengths and same cross sectional areas are joined end to end in a straight line. The free ends of this compound rod are maintained at different temperatures The temperature gradient in each rod will be .

Three rods of equal length, area of cross section and thermal conductivity are connected as shown in the figure. There is no heat loss through lateral surface of the rods and temperature of ends are T_(A)=100^(@)C, T_(B)=70^(@)C and T_(C)=50^(@)C . Find the temperature of junction.

Three rods of equal length, area of cross section and thermal conductivity are connected as shown in the figure. There is no heat loss through lateral surface of the rods and temperature of ends are T_(A)=100^(@)C, T_(B)=70^(@)C and T_(C)=50^(@)C . Find the temperature of junction.

A rod of length l and cross-section area A has a variable thermal conductivity given by K = alpha T, where alpha is a positive constant and T is temperature in kelvin. Two ends of the rod are maintained at temperature T_(1) and T_(2) (T_(1)gtT_(2)) . Heat current flowing through the rod will be