Suppose you wish to fabricate a uniform wire out of 1.50 g of copper. If the wire is to have a resistance R = 0.710 Ω, and if all the copper is to be used, find the following. (a) What will be the length of the wire?   (b) What will be the diameter of the wire?

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Q: Suppose you wish to fabricate a uniform wire out of 1.05 g of copper. If the wire is to have a…

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Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.