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Is power line AC or DC?

in Electrical Engineering

Is power line AC or DC?

1 Answer

Power lines typically carry **AC (alternating current)**. This is because AC is more efficient for transmitting electricity over long distances. With AC, the voltage can be easily transformed to higher or lower levels using transformers, which reduces energy loss during transmission.

While AC is most common for power lines, **DC (direct current)** is used in some specific cases, such as long-distance high-voltage direct current (HVDC) transmission lines, where it's used for certain types of interconnections or underwater cables. However, the majority of the power distribution network relies on AC.

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