direct current is produced by\nan electric motor.\nan armature.\na solenoid.\na battery.

direct current is produced by\nan electric motor.\nan armature.\na solenoid.\na battery.
Answer
Brief Explanations:
An electric motor converts electrical energy to mechanical energy. An armature is part of a motor or generator. A solenoid is an electromagnet. A battery is a source of direct - current electricity.
Answer:
a battery.