Abstract: This chapter discusses the use of capacitors and capacitance. A capacitor is a device capable of storing electrical energy. Practical types of capacitor are characterised by the material used for their dielectric. The main types of capacitors are variable air, mica, paper, ceramics, plastic, and electrolytic. Every system of electrical conductors possesses capacitance. For example, there is capacitance among the conductors of overhead transmission lines and also among the wires of a telephone cable. In these examples, the capacitance is undesirable but has to be accepted, minimized or compensated for. There are other situations, such as in capacitors, where capacitance is a desirable property. The unit of capacitance is the farad F, which is defined as the capacitance of a capacitor when a p.d. of one volt appears across the plates when charged with one coulomb.
Publication Year: 1993
Publication Date: 1993-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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