Question

The ratio of the lengths, cross sectional areas and the differences in the temperature of the two ends of the two conducting rods are 2:3 each. If the rate of the heat conduction through them be equal then the ratio of the Co-efficient of the thermal conductivity of the materials is (a) 2:3, (b) 3:2, (c) 4:9, (d) 9:4.​

Answer 1

Answer:

4:9 is the answer

Explanation:

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