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Is electric power AC or DC?

GeneralClass 12AllAnswered 27 Mar 2026
Answer

Electric power can be either AC (Alternating Current) or DC (Direct Current), depending on the source and application. Power grids and household electricity use AC because it's more efficient for long-distance transmission. Batteries, solar panels, and electronic devices typically use DC. The fundamental power formulas apply to both, though AC calculations can be more complex due to phase relationships.

General · Class 12