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The conductor of a 10 km long, single phase, two wire line are separated by a distance of 1.5 m. The diameter of each conductor is 1 cm. If the conductors are of copper, the inductance of the circuit is ________ mH
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- 238
- 2.38
- 23.8
- 0.238
Correct Option: C
Inductance of the circuit/km,
| L = 4 × 10–7 ln | mH/km | |
| r' |
| = 4 × 10–7 ln | ||
| 0.7788 × 5 × 10–3 |
= 2.381 mH/km.
Inductance = 2.381 mH/km × 10 = 23.81 mH
