Three conductors of same length having thermal conductivity k_1, k_2 and k_3 are connected as shown in figure. Area of cross sections of 1^{\text{st }} and 2^{\text{nd }} conductor are same and for 3^{\text{rd }} conductor it is double of the 1^{\text{st }} conductor. The temperature are given in the figure. In steady state condition, the value of \theta is ______ { }^{\circ} {\C}. (Given : {\k}_1=60 {\Js}^{-1} {\m}^{-1} {\K}^{-1}, {\k}_2=120 {\Js}^{-1} {\m}^{-1} {\K}^{-1}, {\k}_3=135 {\Js}^{-1} {\m}^{-1} {\K}^{-1}) [22 Jan 2025 Shift 1]

Thermodynamics Part 5

Section: Physics

Question : 45 of 69

Marks: +1, -0

Three conductors of same length having thermal conductivity k1,k2 and k3 are connected as shown in figure.

Area of cross sections of 1‌st ‌ and 2‌nd ‌ conductor are same and for 3‌rd ‌ conductor it is double of the 1‌st ‌ conductor. The temperature are given in the figure.

In steady state condition, the value of θ is ______ ‌∘C.

(Given : k1=60Js−1m−1K−1,k2=120Js−1m−1K−1, k3=135Js−1m−1K−1)

[22 Jan 2025 Shift 1]

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