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A 25-M Wire of Diameter $0.30 \mathrm {~mm}$ Draws $0.499 \mathrm {~A}$

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

A 25-M Wire of Diameter 0.30 mm0.30 \mathrm {~mm}0.30 mm Draws 0.499 A0.499 \mathrm {~A}0.499 A

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A 25-M Wire of Diameter $0.30 \mathrm {~mm}$ Draws $0.499 \mathrm {~A}$

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