Three rods A B, B C and B D made of the same material and having the same cross-section have been joined as shown in the figure. The ends A, C and D are held at temperatures of 20^{\circ} {\C}, 80^{\circ} {\C} and 80^{\circ} {\C} respectively. If each rod is of same length, then the temperature at the junction B of the three rods is

EAMCET Engineering 2010 Solved Paper

Section: Physics

Question : 90 of 160

Marks: +1, -0

Three rods AB,BC and BD made of the same material and having the same cross-section have been joined as shown in the figure.

The ends A,C and D are held at temperatures of 20∘C,80∘C and 80∘C respectively. If each rod is of same length, then the temperature at the junction B of the three rods is

90∘C
60∘C
40∘C
30∘C

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