eli5 what makes buzzing noise in electronics?

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so, I was wondering what exactly is the annoying buzzing of light bulbs, power sockets and generally any things which work with electricity I hear all the time. as far as I know electricity can have extremely quiet sound or no sound at all, so what exactly it is? is it circuits and electrical parts working or is it something else?

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Anonymous 0 Comments

Just as a fun aside – that 50/60 cycle hum is gives single-coil pickups their distinct sound, but can be annoying for some listeners/musicians. So they developed a different type of pick up that puts two coils opposite each other so the hum essentially cancels itself out, that’s called a “Humbucker” pickup.

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