Asked by a
Which most likely uses only alternating current?
A smartphone.
A digital wristwatch.
A magnetic compass.
A large flat screen television.
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GPT-5 mini
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A large flat screen television.
Reason: TVs plug into the AC mains and are designed for alternating current. A smartphone and digital wristwatch run on batteries (direct current), and a magnetic compass doesn't use electric current.
Reason: TVs plug into the AC mains and are designed for alternating current. A smartphone and digital wristwatch run on batteries (direct current), and a magnetic compass doesn't use electric current.
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