Chesney632 Chesney632

25-02-2024
Physics

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A conducting wire has length 10 cm, cross-sectional 2 cm×2 cm, undergoes longitudinal strain 0.12 m/m, and transeverse strain −0.0396 m/m. what is the change in resistence ? (resistivity is 0.5 ohm.cm)
I. 0.268ohm
II. 1.25ohm
III. 1.51ohm
IV. No way to know

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