Direct electric current and Electrical energy

Direct electric current noun - An electric current that flows in one direction steadily.

Electrical energy and direct electric current are semantically related. In some cases you can use "Electrical energy" instead a noun phrase "Direct electric current".

Electrical energy noun - Energy made available by the flow of electric charge through a conductor.

Direct electric current and electrical energy are semantically related. Sometimes you can replace phrase "Direct electric current" with "Electrical energy", this phrases are similar.