resustance of a metal wire of length 1m is 26ohm at 20degree C. if the diametre of the wire is 0.3mm, what will be the metal at that temperature?

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Your query is seems to be incomplete. However if you are referring to find the resistivity  of the metal at the given temperature then kindly refer to the given link for answer related to your query.

https://www.meritnation.com/ask-answer/question/resistance-of-a-metal-wire-of-length-1m-is-26-ohm-at-20-d/electricity/1013533

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