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1. A certain wire has a resistance R. What is the resistance (in terms of R) of a second wire made of the same material,

1. A certain wire has a resistance R. What is the resistance (in terms of R) of a second wire made of the same material, which is half as long and twice the cross-sectional area?

). A certain wire has a resistance R. What is the resistance (in terms of R) of a second wire made of the same material, which is half as long and twice the cross- sectional area? R 2R 4R R/2 R/4

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