3. Two medal bars x and Y have the lengths of T0 cm and 30 cm.Both have supplied from one and of the metal Yis placed in meHing ice the same croos sectional area. tone end of the metalX, heat koiling warler at at 0°C.Both metak are well-insulated. The remperature al the junction is 15°C. 100°C and Calculate the radio of themal conductivity between metal X and Y. CAssume the heat flow 1s steady and no energy s lost do the surroundings)
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