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A 25-M Wire of Diameter 0

Question 31

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A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference.
(a) What is the resistance of the wire?
(b) What is the resistivity of the material from which the wire is made?

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(a) 6.0 Ω ...

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