A rod of length 20 cm is made of metal A. It expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal B having the same length expands by 0.045

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A rod of length 20 cm is made of metal A. It expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal B having the same length expands by 0.045
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Oct
A rod of length 20 cm is made of metal A. It expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal B having the same length expands by 0.045 A rod of length 20 cm is made of metal A. It expands by [...]
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