When you turn down or up the volume on devices with either a wheel or button, what actually happens that allows it to sound quieter or louder?
In: Technology
Wildly simplified:
Imagine a strip or a rod, which has some electrical resistance.
One wire is connected to the end, the other slides up and down on the strip.
When you slide far away, the resistance between the 2 wires is bigger, and gets smaller as you slide the other way.
(Potentiometers are a bit more complex than this, but this is the overall simple concept of it)
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