There are 2000 turns of copper wire in a coil and its cross-sectional area is 0.8 mm2. The mean length per turn is 80 cm and the resistivity of copper is 0.02 μΩ-m. Find the resistance of the coil.

1
25 Ω
2
40 Ω
3
20 Ω
4
Ω

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