June 2016
Beginner
800 pages
22h 48m
English
book
Teach Yourself Electricity and Electronics, Sixth Edition, 6th Edition
by Stan Gibilisco, Simon Monk
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15
CHAPTER
Impedance and Admittance
IN THIS CHAPTER, WE’LL DEVELOP A “RIGOROUS” WORKING MATHEMATICAL MODEL FOR COMPLEX impedance. We’ll also learn about admittance, which quantifies how well AC circuits allow (or admit) the flow of current, rather than restraining (or impeding) it.
Imaginary Numbers Revisited
As we learned in Chap. 13, the engineering symbol j represents the unit imaginary number, technically defined as the positive square root of −1. Let’s review this concept, because some people find it difficult to believe that negative numbers can have square roots. When we multiply j by itself, we get −1.
The term “imaginary” comes from the notion that j is somehow “less real” than the so-called real numbers. That’s not true! All numbers ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.