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    Question

    Which of the following is arranged in order of

    decreasing conductivity?
    A Copper, Aluminium, Steel, Silver Correct Answer Incorrect Answer
    B Aluminium, Silver, Copper, Steel Correct Answer Incorrect Answer
    C Copper, Silver, Aluminium, Steel Correct Answer Incorrect Answer
    D Silver, Copper, Aluminium, Steel Correct Answer Incorrect Answer

    Solution

    Copper ; 9% less conductive than silver; aluminium is 10% less conductive than copper; while steel is the least conductive among the given options. The most electrically conductive metal is silver.

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