Solved: Wires 1 and 2 are made of the same metal. Wire 2
Chapter 27, Problem 27.57(choose chapter or problem)
Wires 1 and 2 are made of the same metal. Wire 2 has twice the length and twice the diameter of wire 1. What are the ratios (a) r2/r1 of the resistivities and (b) R2/R1 of the resistances of the two wires?
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