Electromagnets--How They Work.
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L: Limited Access CP: Composite Positive AC: Acetate A: 400' 16/8/9.5mm 16mm Sound 375 Encyclopaedia Britannica Films, Inc. Encyclopaedia Britannica Educational Corporation. Films & Video., Demonstrates that an electromagnetic field is created by the flow of electricity through a conductor, and shows how a simple electromagnet can be constructed. Explains advantages that electromagnets have over permanent magnets. Indicates that there is a relationship betwen electricity and magnetism.
Copyright
© Encyclopaedia Britannica Films, Inc.; 24mar60; Mp10522.
Complete catalog record
Electromagnets--How They Work. Encyclopaedia Britannica Films. 11 Min., Sd., Color, 16 Mm. © Encyclopaedia Britannica Films, Inc.; 24mar60; Mp10522. , Demonstrates that an electromagnetic field is created by the flow of electricity through a conductor, and shows how a simple electromagnet can be constructed. Explains advantages that electromagnets have over permanent magnets. Indicates that there is a relationship betwen electricity and magnetism. NOTE: Two (or more) records have been merged together to create this data.
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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) — creator, length, color, sound, genre, description, catalog record, copyright
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