Electric power cables carry electrical energy across long distances by using high-voltage, alternating current. What advantages come from using a high voltage and from using an alternating current?
- Ahigh current is produced in the cable; the resistance of the cable is reduced
- Bhigh current is produced in the cable; the voltage can be changed using a transformer
- Cless energy is wasted in the cable; the resistance of the cable is reduced
- Dless energy is wasted in the cable; the voltage can be changed using a transformer