An aluminum wire has the same resistance as a copper wire, Physics

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An aluminum wire has the same resistance as a copper wire

An aluminum wire has the same resistance as a copper wire of the same length. Find the ratio of the aluminum wire's diameter to the copper wire's diameter. (The resistivities of aluminum and copper are 2.82 x 10^-8 Ω-m and1.72 x 10^-8 Ω-m,respectively.

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Physics: An aluminum wire has the same resistance as a copper wire

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