MHT CET Physics question
A copper rod and a steel rod having the same area of cross-section are end to end. The free end of copper rod is at C and free end of steel rod is at C. The temperature at their junction is, if and length of 3 times length of steel rod? (K = Thermal conductivity) [MHT-CET 2021]
Answer: (A)
Solution
With junction temperature and equal heat currents, , so
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