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- Set of toroid or cylindric coils with copper wire isolated on a white background. Closeup of inductors or transformers with ferrite core. Various electronic components to store energy in magnetic field. Puzzle #751478542
Set of toroid or cylindric coils with copper wire isolated on a white background. Closeup of inductors or transformers with ferrite core. Various electronic components to store energy in magnetic field. Puzzle #751478542