Question: A wire of initial length L 0 and radius r0 has a measured resistance of 1.0 . The wire is drawn under tensile stress to

A wire of initial length L₀ and radius r0 has a measured resistance of 1.0 Ω. The wire is drawn under tensile stress to a new uniform radius of r × 0.25r₀. What is the new resistance of the wire?

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