A Discussion Of Dimmers
a: Alternating current ~
b: a soft pillow
What: "The normal alternating current is like a soft pillow. Chopped up, the current is more like a hard table. Strike a tuning fork on a pillow and you won't produce much noise, but it will resonate if you strike it on a table."
Useful?
Writer: Weightman
LCC: TK
Where:
Date: Sep 30 2013 8:45 PM
# 3662 Critique Analogy