I’m thinking the connections in Bluetooth speakers for example or pickups on a guitar. In particular I know audio ports typically have a left/right and a ground wire but if this is in a portable Bluetooth speaker that you’re holding how does the ground work in this case?
In: Physics
Grounded simply means connected to a large enough pool of neutral atoms. Earth ground is obvious very good since there’s a lot of contiguous matter to act as a pool, but in order for something to be grounded it only needs to be connected to some object that can successfully drain off excess charge buildup.
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