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Erschienen in:
1998 | OriginalPaper | Buchkapitel
Capacitance
verfasst von : Keith L. Watson
Erschienen in: Foundation Science for Engineers
Verlag: Macmillan Education UK
Enthalten in: Professional Book Archive
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The creation of an electric field involves separating positive and negative charge. Work has to be done which is then stored in the field as potential energy. Figure 28.1 illustrates this in terms of an electric cell or battery connected across two parallel metal plates. The figure shows the conventional symbol for an electric cell (although the signs are usually omitted). A battery is simply a number of cells connected together to form a single unit.