What is the use of the bag on the notebook power line?
The power adapter is used to convert the mains voltage of 220 volts to a low voltage used by the computer, and to convert AC power to direct current and to stabilize the voltage.
It is a magnetic ring, the wire through the ring through.
The role of the magnetic ring is to suppress the harmonics of high frequency current. Less external interference and reduce their own external interference.
Magnetic ring. Anti-jamming. To prevent the utility of the messy waves into the computer motherboard. General data lines also have.
