Have you noticed that some power supply cables especially new ones like your laptop power cable has a small cylindrical thing near the pin.
Round end power cable.
Wide range of power cords available online from all electronics.
A lot of people tend to think it is some electronic component at the end but actually it is not.
Unielec uc 225 up 117 e65714 10a 125v 2 prong square round power cable cord nispt 2 2x18awg 0 824mm2 iec60320 c7 black white 6ft 4 1 out of 5 stars 8 9 09 9.
The purposeless connector or power cable from an obsolete electronic device.
Round cables only require fillers and tapes to ensure concentricity.
In a typical computer system found in a home or office you normally see these bumps on the mouse keyboard and monitor cables.
Lengths vary from 3 to 15 long.
They are always cylindrical but comes in different sizes.
These bumps are called ferrite beads or sometimes ferrite chokes their goal in life is to reduce emi electromagnetic interference and rfi radio.
The weight and softness of a cable s design is to optimize ergonomic performance for the end user especially when the.