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 Form 1 Physics heat transfer topical questions and answers

Figure 3 shows a hot water bath with metal rods inserted through one of its sides. Some wax is fixed at the end of each rod.
figheat10620201652.JPG
Besides the length of the rods that is kept constant, what else should be kept constant when comparing the property for the different metal rods?

 (1m 6s)
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Answer Text:
- Cross-sectional area.


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