July 2012
Beginner
576 pages
9h 46m
English
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Summary
The few simple principles reviewed in this chapter are those you need to begin the study of electronics. Following is a summary of these principles:
- The basic electrical circuit consists of a source (voltage), a load (resistance), and a path (conductor or wire).
- The voltage represents a charge difference.
- If the circuit is a complete circuit, then electrons flow, which is called current flow. The resistance offers opposition to current flow.
- The relationship between V, I, and R is given by Ohm's law:
- Resistance could be a combination of resistors in series, in which case you add the values of the individual resistors together to get the total resistance.
- Resistance can be a combination of resistors in parallel, in which case you find the total by using the following formula:
- You can find the power delivered by a source by using the following formula:
- You can find the power dissipated by a resistance by using the following formula:
- If you know the total applied voltage, ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.