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)?

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.

Concept: Factors on Which the Resistance of a Conductor Depends

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Chapter 1: Electricity

Q 7 Q 6 Q 8

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Lakhmir Singh Class 10 Physics (Science)

Chapter 1 Electricity
Q 7

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Factors on Which the Resistance of a Conductor Depends

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

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