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Relay - Explained and animated - how relay works
Автор: jordi3736
Загружено: 2016-12-17
Просмотров: 433315
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Relay - Explained and animated
A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a separate low-power signal, or where several circuits must be controlled by one signal
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