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The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around
- A1.2 x 10-8 -m
- B1.4 x 10-8 -m
- C1.6 x 10-8 -m
- D1.8 x 10-8 -m
Correct answer: C
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CCommunity
1.6 x 10-8 -m