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Crossword clue: a coil of wire around an iron core; becomes a magnet when current passes through the coil

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solenoid 8 letters wn-def

a coil of wire around an iron core; becomes a magnet when current passes through the coil

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a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet 60% similar → electromagnet

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