glossary:glossary_s
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | |||
|
glossary:glossary_s [2019/02/01 10:47] WortingUK [Switch] |
glossary:glossary_s [2019/02/01 10:49] WortingUK [Switch] |
||
|---|---|---|---|
| Line 186: | Line 186: | ||
| '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: 2019/02/01 10:49 by WortingUK
