# TRANSFORMERS

Department of Defense PIN 39894 TRANSFORMERS DEFINES AND EXPLAINS FOLLOWING TERMS IN REFERENCE TO TRANSFORMERS: TRANSFORMER ACTION, STEP-UP, STEP-DOWN, AND COEFFICIENT OF COUPLING. EXPLAINS VOLTAGE AND CURRENT MAGNITUDE RELATIONSHIPS IN PRIMARY AND SECONDARY OF TRANSFORMER. SHOWS DIFFERENCE BETWEEN SYMBOLS USED TO REPRESENT: POWER, AUDIO, RF, AND AUTO TRANSFORMERS. USING A TRANSFORMER DEMONSTRATOR AND A PSM-6 MULTIMETER, SHOWS TEST EQUIPMENT CHECKS SUFFICIENT TO IDENTIFY TRANSFORMER OPENS, SHORTS, AND TURN-RATION AS RELATED TO STEP-UP AND STEP-DOWN.

- Kind: Educational
- Year: 1965
- By: Department of Defense
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dod.dimoc.39894)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Tweens 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/gov.dod.dimoc.39894?play=1)