MHT CET 2022 Physics question
Two metal slabs of same cross-sectional area have thickness '' and '' and thermal conductivities '' and '' respectively, connected in series. The free ends of the two slabs are kept at temperatures '' and '' ( > ). The temperature 'T' of their common junction is
Answer: (A)
Solution
In steady state the same heat current flows through both slabs of equal area : . Cross-multiplying: , so . Therefore $T =
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