What is the purpose of degaussing?

What is the purpose of degaussing?

Degaussing is the process of decreasing or eliminating a remnant magnetic field. It is named after the gauss, a unit of magnetism, which in turn was named after Carl Friedrich Gauss. … Degaussing is also used to reduce magnetic fields in cathode ray tube monitors and to destroy data held on magnetic storage.

Can you degauss an LED TV?

Even a TV with a degauss feature may need degaussing if it passed near a strong permanent magnet. … Turn on the TV and the coil, with the coil in front of the TV. Move away from the screen slowly while moving the coil in circles to cover the entire screen.

How does a degaussing coil work?

A degausser generates a controlled magnetic field that it uses to remove information. … Electrical pulses move through a coil in the head of the hard drive to magnetize part of the metal and position the coating to store information in binary.