Two Conductors Are Made of the Same Material and Have

question 44

Multiple Choice

Two conductors are made of the same material and have the same length.Conductor A is a solid wire of diameter 1 m.Conductor B is a hollow tube of inside diameter 1 m and outside diameter 2 m.The ratio of their resistance, R_A/R_B, is:

• A)1
• C)2
• D)3

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