• ayyy@sh.itjust.works
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    1 day ago

    Solenoids move a rod in and out. You’re thinking of relays that connect a large current based on a signal from a small current.

    • Buddahriffic@lemmy.world
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      1 day ago

      Yeah and that rod can be used to make or break a circuit, and often is the mechanism used in a relay. The clicking noise is that rod slamming into the stops.