Electromagnets and their uses
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Shows how electricity can be used to make magnets, and presents various applications of electromagnets. Describes the effects of coiling a wire and adding a core, and demonstrates the effect of current direction on polarity. Suitable for upper primary level.
Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, description
- 16mm Filmography (legacy record) — description, catalog record
Original permalink · Record added 2026-01-23 03:27:43