what is electric relays??
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Relays are switches that open and close circuits electromechanically or electronically. Relays control one electrical circuit by opening and closing contacts in another circuit.
When a relay contact is Normally Closed (NC), there is a closed contact when the relay is not energized.
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Relays are switches that open close circuit electromechanically. Relays control one electric by opening and closing contact in another circuit..
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