A certain wire has a resistance 7 Ω. What is the resistance of a second wire, made of the same material, that is half as long and 1/2 the diameter. Enter units as ohms.
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A certain wire has a resistance 7 Ω. What is the resistance of a second wire, made of the same material, that is half as long and 1/2 the diameter. Enter units as ohms.
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