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The length of a conducting wire is 50 cm and its radius is 0.5 mm. If its resistance is 30Ω,

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The length of a conducting wire is 50 cm and its radius is 0.5 mm. If its resistance is 30Ω, what is the resistivity of its material?

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The resistivity of the wire is 4.71 x 10-5 Qm.

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