A wire with initial length l0 and radius r0 has measured
A wire with initial length L0 and radius r0 has measured resistance of 1.0 ohms. The wire is drawn under tensile stress to a new uniform radius of 0.25 r0. What is the new resistance of the wire? (assume the length of the wire changes as well)
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a wire with initial length l0 and radius r0 has measured resistance of 10 ohms the wire is drawn under tensile stress
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