“Physicist who built upon Volta's work” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.OHM is the answer to the New York Times crossword clue “Physicist who built upon Volta's work”. It was last seen in the puzzle of September 10, 2025, where it runs at 42 Down and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.