Kenya: Explained: Why Your Charger Cable Has That Small Lump and What It Does

If you are a laptop owner, you may have noticed a small cylindrical lump on your charger cable or other electronic cords. While many spot it, most people don’t know what it does or why it’s there.

What many do not know is that the tiny component, mostly found near the end of a cable, plays an important role in keeping electronic devices working smoothly.

The device is known as a ferrite bead or ferrite choke, and its primary function is to reduce unwanted electrical noise.

Found on…