Dc Motors

Explains the basic principles of DC motor operation by a progressive development of magnetic fields and shows how a current carrying device acts when placed in these fields. Explains the positions of maximum and minimum torque. (Kinescope).

Related films

Sources

  1. 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, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record