Batteries are a source of direct current because they product power (voltage and current) in only one direction.
Simple source of direct current are Batteries.
Alternating current. Direct current is used in batteries.
Batteries produce DC because the potential difference is determined by the chemical reaction inside the battery. This voltage is constant.
"dc" is direct current which is what batteries use, whereas "ac" is alternating current, which is what your household receptacle uses.
Batteries store DC, or Direct Current. The correct term for AC is Alternating Current.
direct current
Direct current
Not directing current but DIRECT current, meaning there is no oscillation in the current.
A Direct Current, DC.
DC (direct current, a current that flows in a single direction).
Batteries and generators provide DC, Direct Current electricity.
These things use dc: batteries provide direct current, so anything run by batteries; electrolysis, used for electroplating, aluminium manufacture and the production of sodium hydroxide.