Find the resistance ratio

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Reference no: EM13248621

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.2 mm. Conductor B is a hollow tube of outside diameter 8.9 mm and inside diameter 7.9 mm. What is the resistance ratio RA/RB , measured between their ends?

Reference no: EM13248621

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