Direct & alternating current
By: NHK Educational Film Segments.
Contributors: Films for the Humanities (Firm)
Series: Introductory concepts in physics
Publisher: Films for the Humanities & Sciences
Place of publication: Princeton, NJ
Format: Videorecording
Number of pages: 14
Subjects: Electricity.; Physics  -- Study and teaching.; Electric currents.
Other titles: Direct and alternating current.
Description: Two neon lamps, one connected to a battery and the other connected to an alternating current power source, are employed to demonstrate the difference between direct current (DC) and alternating current (AC).  A selenium rectifier is used to change AC to DC and to set a model car in motion.
Notes: "FFH 1187"

This tape does NOT have captions or subtitles