Wattmeter

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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

Notion

Domain

Science and technology

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What Wikipedia says

The wattmeter is an instrument for measuring the electric active power (or the average of the rate of flow of electrical energy) in watts of any given circuit. Electromagnetic wattmeters are used for measurement of utility frequency and audio frequency power; other types are required for radio frequency measurements.

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

Image: Audrius Meškauskas, CC BY-SA 3.0, via Wikimedia Commons.