The outer surfaccs of a rectangular slab of equal thickness of iron and brass are maintained at 100^(0)C and 0^(0)C. The thermal conductivities of iron and the brass are 14 and 126" Wm"^(-1)k^(-1). The temperature of the interface in equilibrium is found to be 5x, the value of x is.

The outer surfaccs of a rectangular slab of equal thickness of iron an

1.	The outer surfaccs of a rectangular slab of equal thickness of iron and brass are maintained at 100^(0)C and 0^(0)C. The thermal conductivities of iron and the brass are 14 and 126" Wm"^(-1)k^(-1). The temperature of the interface in equilibrium is found to be 5x, the value of x is.
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