The resistance of a metal wire of length 1 m is 26 2 at 20 °C. If the diameter of the wire is 0.03 cm, what will be the resistivity of the metal at that temperature?
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If the diameter of the wire is 0.3 mm, what will be the resistivity of the metal at that temperature? Using the given table, predict the material of the wire. The resistivity of the metal at 20°C is 1.84 x 10–8 Ω m.
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