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Problem
In household wiring, copper wire 2.05 mm in diameter is often used. Find the resistance of a 35.0 m long wire. Specific resistance of copper is
1.72
×
10
−
8
Ω
⋅
m
1.72 \times 10^{-8} \Omega \cdot \text{m}
1.72
×
1
0
−
8
Ω
⋅
m
.
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