prepositions is a form of:

Direct current



noun
1.
ចរន្ដសន្ដតិ
ENGLISH MEANING
1.
A current flowing in one direction only; -- distinguished from alternating current. When steady and not pulsating a direct current is often called a continuous current.
2.
A direct induced current, or momentary current of the same direction as the inducing current, produced by stopping or removing the latter; also, a similar current produced by removal of a magnet.