A wire of nichrome a nickel-chromium-iron alloy commonly, Ask an Expert

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A wire of Nichrome (a nickel-chromium-iron alloy commonly used in heating elements) is 1.5 m long and 1.8 mm² in cross-sectional area. It carries a current of 4.7 A when a 2.0 V potential difference is applied between its ends. Calculate the conductivity of Nichrome.

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