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  1. Electromagnetic Induction: Lenz’s Law (2003)

    Subject
    Physics
    Distribution
    Sale, VHS (PAL, 28 minutes), £29.00

    Explains the self-regulating nature of electric motor speeds and demonstrates the application of Lenz’s Law. Shows how the back EMF of an electrical motor can be determined using measurements and...

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  2. Electromagnetism (2 Parts) (1997 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 29, 25 min., 1998 sale: £35.00 (+VAT +p&p) (part 2)

    2 (1997): Covers: induction; magnet-induced electron flow; solonoids; generators; alternator (single and 3-phase), transformer, Lenz’s law, induction coil, back EMF and eddy currents; Maglev -...

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  3. Electromagnetism (1988 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 60 min., 1999 sale: £29.50 (+VAT +p&p)

    Explores the electromagnetic force. In six 10-minute segments: Earth’s Magnetic Field (discovery of lodestone, magnetic declination and the angle of inclination); Magnetism and Electron Flow; Domain Theory...

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  4. Electricity and Its Applications (8 Parts) (1990 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 30-40 min. each.

    Part 8: The induction furnace.

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  5. Electromagnetic Induction: Transformers (1996 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 28 min., 2004 sale: £29.00 (+VAT +p&p)

    Explains the operating principles of the transformer and gathers empirical evidence to deduce the relationships among the important variables at work. Assesses the benefits of high-voltage transmission and...

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  6. Video Encyclopedia of Physics Demonstrations, The (1994 Video)

    Subject
    Physics
    Distribution
    Sale, 25 Laservision videodiscs.

    A series of 600 videotaped physics demonstrations on 25 laserdiscs, produced at the University of Washington, with standalone demonstrations of physics principles, augmented by slow motion photography and...

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