Educational19829 min640×360

Basic Electricity: 8 -- Alternating Current

International Film Bureau

EducationIndustrial and advertising

Clips are not offered for this film: no licence or public-domain mark is recorded for it.

Low resolution (640×360): this is the archive's own copy.

About

Consultant, James M. McGrath, Lane Technical High School, Chicago

Covers definition of direct current; circuit with center-zero ammeter; definition of alternating current and effect on ammeter; universal use of alternating current; high-voltage transmission; transformers; sine wave; cycle periods and frequency; Hertz; amplitude; in phase, out of phase; and root mean square

Archive
Internet Archive, in Educational films
Licence or status
The Internet Archive states none for this item.
Credit
International Film Bureau
Language
English
Who can watch
The archive gives no rating. Invisible Network shows it to Kids profiles and older, judged from its collection and subjects. How films are placed