Synchro

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

3

In collections

Nobody has pulled it yet.

What Wikipedia says

A synchro (also known as selsyn and by other brand names) is, in effect, a transformer whose primary-to-secondary coupling may be varied by physically changing the relative orientation of the two windings.

Excerpt from the Wikipedia article “Synchro”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Christian Wolff, CC BY-SA 3.0, via Wikimedia Commons.