Three rods AB, BC and BD having thermal conductivities in the ratio 1:2:3 and lengths in the ratio 2:1:1 are joined as shown in Fig. The ends A, C and D are at temperature `T_1`,`T_2` and `T_3` respectively Find the temperature of the junction B. Assume steady state.

Three rods AB, BC and BD having thermal conductivities in the ratio 1:2:3and length in the ratio 2:1:1 are joined as shown in figure . The ends A , C and D are at temperature T_(1), T_(2) and T_(3) respectively . Find the temperature of the junction B . Assume steady state .

Three rods AB,BC and BD having thremal conductivities in the ratio 1:2:3 and lengths in the ratio 2:1:1 are joined as shown in The ends A,C and D are at temperature theta_(1),theta_(2) and theta_(3) respectively Find the temperature of the junction B (Assume steady state and theta_(1)gt theta gt theta_(2)gttheta_(3)) .

Three rods AB,BC and BD made of the same materical and having the same area of cross section have been joined as shown is the The ends A,C and D are held at temperatures 20^(@)C Cand 80^(@)C respectively If each rod is of same length then find the temperature at the junction B of the three rods .

Three bars of equal lengths and equal area of cross-section are connected in series fig. their thermal conducitives are in the ratio 2:3:4 . If at the steady state the open ends of the first and the last bars are at temperature 200^(@)C and 20^(@)C respectively, find the temperature of both the junctions. .

Three bars of equal lengths and equal area of cross-section are connected in series fig. their thermal conducitives are in the ratio 2:3:4 . If at the steady state the open ends of the first and the last bars are at temperature 200^(@)C and 20^(@)C respectively, find the temperature of both the junctions. .

Four thin identical rods AB, AC, BD and EF made of the same material are joined as shown. The free-ends C,D and F are maintained at temperature T_(1),T_(2) and T_(3) respectively. Assuming that there is no loss of heat of the surroundings, the temperature at joint E when the steady state is attained is (1)/(K) (2T_(1)+2T_(2)+3T_(3)) . Find K (E is mid point of AB)

Four thin identical rods AB, AC, BD and EF made of the same material are joined as shown. The free-ends C,D and F are maintained at temperature T_(1),T_(2) and T_(3) respectively. Assuming that there is no loss of heat of the surroundings, the temperature at joint E when the steady state is attained is (1)/(K) (2T_(1)+2T_(2)+3T_(3)) . Find K (E is mid point of AB)

Three rods A, B and C of the same length and same cross-sectional area are joined as shown. Their thermal conductivities are in the ratio 1:2:3/2. If the open ends of A and C are at 200^@ C and 18^@ C, respectively, then the temperature at the junction of A at steady state 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 .