A two-wire 1000-m-long DC distributor cable is loaded with 0.5 A/m. The resistance of each of the conductors is 0.05 Ω/km. If the distributor is fed from both ends with equal voltages of 220 V, the maximum voltage drop will be:
1
4.8 V
2
5.2 V
3
6.25 V
4
2.4 V