Determine the ratio of the resistance of 15 meter of


Determine the ratio of the resistance of 15 meter of aluminum wire 2.5 millimeter in diameter, to 20 meter of copper wire 1.9 millimeter in diameter. The resistivity of copper is 1.68 ×10-8 Ω•m and the resistivity of aluminum is 2.65 x 10-8 Ω•m.

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Physics: Determine the ratio of the resistance of 15 meter of
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