My laptop has the audio jack right next to a USB port, and it has happened that sometimes if I try to plug it in without looking, I’ve jammed it into the USB port instead, underneath the pins. Usually, I realize my mistake upon having a bzzzt bzzzt buzzing or electrical sound coming from my earphones. My question is, why? I mean clearly, electricity is running through it but how come it gets translated into that buzzing sound by the speakers
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Headphones work by running a small electric signal through small speakers. The headphones aren’t smart device, they don’t know the difference between music and random electricity. You put a current through the speakers, they made a noise, that’s what speakers do.
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