Water Here Water There

a: Alternating current ~
b: the waves washing onto the lake's shore

What: "Alternating current is like the waves washing onto the lake's shore, and then washing away. Direct current is like a river, steadily moving in its predetermined course. When alternating current moves through a diode, the diode allows power through in one direction but blocks it in the other direction. In other words, the rectifier allows half the wave through, and is therefore called a half-wave rectifier. Picture a half-wave of water entering a river bed every few seconds, rather than a steady flow of water." See the rest in the link.

Writer: Fred Decker
Date: Sep 30 2013 8:40 PM

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