Potentiometer, an electrical device that measures potential difference between two points in a circuit by comparison with a standard battery of known potential difference. The name is also applied to a variable resistor that provides varying amounts of potential difference.
Potentiometer
Cite This!
Please copy/paste the following text to properly cite this HowStuffWorks article:
"Potentiometer" 25 August 2009. HowStuffWorks.com. <http://science.howstuffworks.com/potentiometer-info.htm> 10 February 2012.
Cite
VIDEO: Check out amazing videos exploring the chemistry of innovations. »
You Might Also Like
How Perfume Works
We once emptied the scent pods of male musk deer into a bottle of fragrance and doused it on, feeling like a million bucks. How has perfume changed since then?
How Nicotine Works
Smoking or chewing tobacco makes many people feel good, even mildly euphoric. It’s the nicotine that produces the buzz. Find out how nicotine affects the human body and what makes it so addictive.
