# Basic Electricity: 8 -- Alternating Current

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

- Kind: Educational
- Year: 1982
- By: International Film Bureau
- Genres: Education, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/basicelectricity8alternatingcurrent)
- Licence or status: none stated by the archive
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/basicelectricity8alternatingcurrent?play=1)