Two wires are made from the same material. One wire has a
Chapter 20, Problem 20.54(choose chapter or problem)
Two wires are made from the same material. One wire has a resistance of 0.10 . The other wire is twice as long as the first wire and has a radius that is half as much. What is the resistance of the second wire? (a) 0.40 (b) 0.20 (c) 0.10 (d) 0.050 (e) 0.80
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