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Three bars of equal lengths and equal areas of cross-section are connected in series. Their thermal conductivities are in the ratio of 2:4:3. If the open ends of the first and last bars are at temperatures `20^(@)C and 18^(@)C` respectively in the steady state calculate the temperature of both the junctions.

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To solve the problem, we need to calculate the temperatures at the junctions of three bars connected in series, given their thermal conductivities and the temperatures at the ends. ### Step-by-Step Solution: 1. **Identify the Given Data:** - Let the thermal conductivities of the three bars be: - \( k_1 = 2k \) - \( k_2 = 4k \) ...
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