August 2020
Intermediate to advanced
528 pages
22h 16m
English
Content preview from Engineering Science, 2nd Edition
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Chapter 20
In the previous chapter we introduced the concept of charge and the electric fields that surround charges of similar or opposite polarity when placed in close proximity to one another. This latter arrangement of dissimilar charges is referred to as an electric dipole. A comparable phenomenon exists in magnetism, where a magnetic dipole is created by a bar magnet having north and south poles at its opposite extremities. Like electric charge, magnetic flux is present in the natural world and anyone who has used a compass for navigation will have benefited from its effects. We begin this chapter by explaining what magnetic flux is and how it is quantified, before moving on to describe the ways in which ...
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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.