engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Basic Science and Engineering Basic Electricity
The resistance of a 200 m long copper wire is equal to 20 ohms. Its diameter is 0.44 mm. Its specific resistance is equal to:
1
1.520 × 10-8 Ωm
2
1.520 × 10-7 Ωm
3
1.520 × 10-6 Ωm
4
1.520 × 10-5 Ωm