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?

Question

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

Answer 1

a capacitor with controlled resistance makes the sound louder or quieter. if the volume is low the resistance is high causing the sound to be quieter