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The temperature coefficient of resistivity of platinum is 3.9 ˛ 10-3/Ce . If a platinum wire has a resistance of R at room temperature (23eC), to what temperature must it be heated in order to double its resistance to 2R?

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The temperature coefficient of resistivity of platinum is 3.9 ˛ 10-3/Ce . If a platinum wire has a resistance of R at room temperature (23eC), to what temperature must it be heated in order to double its resistance to 2R?






 
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