How do headphones work? (As in how does electricity get turned into sound)
In: Technology
This has lots of pictures:
https://www.electronics-tutorials.ws/io/io_8.html
A speaker is a kind of transducer which has an electromagnetic diaphragm that makes sound waves by wiggling when signal is applied to the two leads (some voltage and amperage). Alternatively, due to its electro mechanical design can be used as a. Microphone depending on if the two leads have an output signal.
Little wiggles = high pitched sounds
Big wiggles = low bass sounds
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