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Which Has Less Electrical Resistance : a Thin Wire Or a Thick Wire (Of the Same Length and Same Material)? - Science

Which has less electrical resistance : a thin wire or a thick wire (of the same length and same material)?

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Solution

A thick wire has a greater area of cross-section, whereas a thin wire has a smaller area of cross-section. Also, the resistance of a conductor is inversely proportional to its area of cross-section. This means that a thick wire has lesser resistance than a thin wire.

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