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Electronics All-in-One For Dummies, UK Edition by Doug Lowe, Dickon Ross

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Chapter 4

Working with Inductors

In This Chapter

arrow Unravelling the mystery of induction

arrow Discovering reactance

arrow Combining inductors in series and parallel

arrow Using inductors in electronic circuits

Nearly a century ago, when radio was brand new and the invention of the transistor was another quarter of a century away, a book was published called A Course in Electrical Engineering, written by Chester L. Dawes. Technology moves so quickly that you’d think that an electrical engineering book written in 1920 would be completely obsolete today. But here’s how Chapter 1 begins:

Magnets and magnetism are involved in the operation of practically all electrical apparatus. Therefore an understanding of their underlying principles is essential to a clear conception of the operation of all such apparatus.

On the face of it magnets don’t seem to have much to do with today’s solid-state computing or LCD televisions. Yet electricity and magnetism are closely related and the relationship between electric current and magnetism still forms the core of many different types of essential circuits and everyday ...

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