CET Graduation 2022 PYQ Q108

The resistance of a copper wire 200 m long is 21 Ω. If its thickness (diameter) is 0.44 mm, its specific resistance is approximately:

1. A 1.6 × 10^-8 Ω-m Correct
2. B 1.2 × 10^-8 Ω-m
3. C 1.4 × 10^-8 Ω-m
4. D 1.8 × 10^-8 Ω-m