A certain wire has a resistance R. What is the resistance of a second wire, made of the same material, that is twice as long and has half the diameter?

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. A certain wire has a resistance R. What is the resistance of a second wire,
made of the same material, that is twice as long and has half the
diameter?
Transcribed Image Text:. A certain wire has a resistance R. What is the resistance of a second wire, made of the same material, that is twice as long and has half the diameter?
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