JEE Main 10 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 17 of 90

Marks: +1, -0

A heat source at T= 103 K is connected to another heat reservoir at T = 102 K by a copper slab which is 1 m thick. Given that the thermal conductivity of copper is 0.1 WK–1m–1, the energy flux through it in the steady state is :

[10 Jan 2019 Shift 1]

90 Wm–2
200 Wm–2
65 Wm–2
120 Wm–2

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