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19 June, 14:00

What happens to the resistance of a wire as its length increases? A. The resistance decreases. B. The resistance is not affected by a change in wire length. C. The resistance alternates between high and low values. D. The resistance increases.

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  1. 19 June, 17:55
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    D. The resistance increases.

    Explanation:

    Resistance of a wire is R = ρL/A, where ρ is the resistivity of the wire, L is the length, and A is the cross sectional area.

    As L increases, R increases.
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