glossary:glossary_s
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glossary:glossary_s [2019/02/01 10:47] WortingUK [Switch] |
glossary:glossary_s [2019/02/01 10:49] WortingUK [Switch] |
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| 'Switch' has several meanings: | 'Switch' has several meanings: | ||
| - | 1. The simplest is an electrical switch, as in 'Light Switch' which is a mechanically operated device used for connecting or disconnecting electrical circuits. Such switches can have many contacts and become quite complex.\\ | + | 1. The simplest is an electrical switch, as in 'Light Switch' which is a mechanically operated device used for connecting (low resistance) or disconnecting (high resistance) electrical circuits. Such switches can have many contacts and become quite complex. |
| 2. Electronic switch such as a transistor, FET or TRIAC. A semi conductor which goes from a very high resistance to a very low resistance when a control input changes. | 2. Electronic switch such as a transistor, FET or TRIAC. A semi conductor which goes from a very high resistance to a very low resistance when a control input changes. | ||
glossary/glossary_s.txt ยท Last modified: 2020/05/26 08:35 by msebborn
