Assertion: direct current | /r/CreatedBy | battery
Facets:
value: with commutators
type: OTHER
Source sentences:
text: Direct current is produced by batteries, fuel cells, rectifiers, and generators with commutators.
text: Direct current is produced by electrochemical and photovoltaic cells and batteries.
text: Direct Current is produced by the sources such as batteries, thermocouples, fuel cells, and solar cells.
text: Direct current is produced by sources such as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type.
text: Direct current is produced by sources such as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type.
text: Direct current is produced by sources such as batteries, thermocouples, and solar cells.