• John Elliott
Part of the Macmillan Technician Series book series (TCC)


As we have said earlier (see chapter 2) an atom consists of a nucleus, with negatively charged electrons circulating around, or orbiting, it. If we can disengage electrons and cause them to flow or move along a conductor in a certain direction, we have created a current of electricity. Even a small current involves millions of electrons. The electrons proceed down a wire by a series of jumps from atom to atom (figure 10.1).


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© John Elliott 1977

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  • John Elliott

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