Physics, 25.02.2020 21:12 alberto81

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.0 mm.
Conductor B is a hollow tube of outside diameter 2.0 mm and inside diameter 1.0 mm.
What is the resistance ratio Ra/Rb, measured between their ends??

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Two conductors are made of the same material and have the same length. Conductor A is a solid wire o...