Crossword clue: an electrical device by which alternating current of one voltage is changed to another voltage

The most common answer is transformer (11 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

transformer 11 letters wn-def

an electrical device by which alternating current of one voltage is changed to another voltage