Suppose you wish to fabricate a uniform wire from 2.40 g of copper. The wire is to have a resistance of R = 0.580 N and all the copper is to be used. (a) What must be the length of this wire? 2.68 What is the relationship between the diameter and the length if the mass of the wire is fixed? m (b) What must be the diameter of this wire? 432.0 um

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