Translation guide
A type of electric current that periodically reverses direction. In Japanese, it is commonly referred to as 交流 (kouryuu), often used in technical and everyday contexts related to electricity.
The standard technical term for alternating current, used in physics, engineering, and everyday appliances.
The standard term for alternating current. Used in all contexts, from technical to everyday.
家庭用の電気は交流です。
Household electricity is alternating current.
交流と直流の違いを説明してください。
Please explain the difference between alternating current and direct current.
Literally 'alternating current electric current'. More explicit but less common than 交流 alone. Used when clarity is needed.
この装置は交流電流で動作します。
This device operates on alternating current.
The English abbreviation 'AC' is widely understood in technical contexts, often used in product specifications or engineering discussions.
このアダプターはAC100Vに対応しています。
This adapter supports AC 100V.
交流 (kouryuu) means alternating current, while 直流 (chokuryuu) means direct current. They are often contrasted in technical discussions.
交流は方向が周期的に変わりますが、直流は一定です。
Alternating current changes direction periodically, while direct current is constant.