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22 December, 08:23

Which copper wire would have the lowest resistance?

A. A wire that is 2 m long and has a cross-sectional area of 1.07 cm2

B. A wire that is 1 m long and has a cross-sectional area of 1.07 cm2

C. A wire that is 1 m long and has a cross-sectional area of 0.066 cm2

D. A wire that is 2 m long and has cross-sectional area of 0.066 cm2

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  1. 22 December, 08:38
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    B. The resistance is directly proportional to length and inversely proportional to cross sectional area
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