Check sibling questions

Will current flow more easily through a thick wire or a thin wire of the same material, when connected to the same source? Why?




Resistance is inversely proportional to Area of cross-section. 


A thin wire would have small area of cross section, hence more resistance.

Since the resistance is more, current would not flow easily.


A thick wire would have large area of cross section, hence less resistance.

Since the resistance is less, current would flow easily.


Hence, current would flow more easily in a thick wire.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo