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1. A copper wire with a resistance of 12.8 m2 has a cross-sectional area of 1.15 x 10 m². Find the length of the wire. Use 1.7 × 10 N·m for the resistivity of copper.

1. A copper wire with a resistance of 12.8 m2 has a cross-sectional area of 1.15 x 10 m². Find the length of the wire. Use 1.7 × 10 N·m for the resistivity of copper.

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1. A copper wire with a resistance of 12.8 m2 has a cross-sectional area of 1.15 x 100 m². Find the length of the wire. Use 1.7 × 100 m for the resistivity of copper.
Transcribed Image Text:1. A copper wire with a resistance of 12.8 m2 has a cross-sectional area of 1.15 x 100 m². Find the length of the wire. Use 1.7 × 100 m for the resistivity of copper.
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