direct current
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direct current
An electric current whose strength and direction do not change over time. It always flows in the same direction, unlike alternating current, which changes its direction periodically.
Viele elektronische Geräte benötigen Gleichstrom, der oft durch ein Netzteil aus dem Wechselstrom der Steckdose umgewandelt wird.
Many electronic devices require direct current, which is often converted from the alternating current of the wall outlet by a power supply.
The word is made up of 'gleich' (same/constant) and 'Strom' (current). Here, 'gleich' means 'unchanged' or 'constant', so the word literally describes a current that always flows the same way.
Batterien und Akkus liefern Gleichstrom.
Batteries and rechargeable batteries supply direct current.
'Gleichstrom' (direct current) is a technical term from physics and electrical engineering. It is mainly used in technical or scientific contexts.
Für die Elektrolyse wird Gleichstrom benötigt.
Direct current is needed for electrolysis.
Common verbs used with 'Gleichstrom' (direct current) are 'erzeugen' (to generate), 'umwandeln' (to convert), and 'benötigen' (to require). It is often described how direct current is produced from another form of energy.
Ein Netzteil wandelt Wechselstrom in Gleichstrom um.
A power supply converts alternating current into direct current.
electricity / river
'der Strom' and 'der Gleichstrom' both have to do with electricity. 'Strom' is the general word used in everyday language when electrical energy is meant, for example from an outlet. 'Gleichstrom' is more precise and technical: it always flows in the same direction. Learners may confuse the words because 'Gleichstrom' is a type of electric current. In everyday language, people usually just say 'Strom'. 'Gleichstrom' fits when you are talking more precisely about technology, batteries, chargers, or electrical devices.
Das kleine Gerät läuft mit Gleichstrom aus einer Batterie.
The small device runs on direct current from a battery.
Im ganzen Haus war am Abend der Strom weg.
The electricity was out in the whole house that evening.