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One magnetic media degaussers’ manufacturer, Verity Systems, has used this principle in a rotating coil technique they developed. Their rotating coil degausser passes the magnetic data storage media being erased through a magnetic field generated using two coils in the degaussing machine with the media on a variable-speed conveyor belt.
The demagnetizing field, also called the stray field (outside the magnet), is the magnetic field (H-field) [1] generated by the magnetization in a magnet.The total magnetic field in a region containing magnets is the sum of the demagnetizing fields of the magnets and the magnetic field due to any free currents or displacement currents.
An electromagnetic pulse (EMP), also referred to as a transient electromagnetic disturbance (TED), is a brief burst of electromagnetic energy. The origin of an EMP can be natural or artificial, and can occur as an electromagnetic field, as an electric field, as a magnetic field, or as a conducted electric current.
Avoid storing your credit card near magnets or other magnetic items. If your purse or wallet has a magnet on it, ensure the magnetic strip on your card faces away from the magnet to help avoid damage.
A nuclear electromagnetic pulse (nuclear EMP or NEMP) is a burst of electromagnetic radiation created by a nuclear explosion.The resulting rapidly varying electric and magnetic fields may couple with electrical and electronic systems to produce damaging current and voltage surges.
Some ships are built with magnetic inductors, large coils placed along the ship to counter the ship's magnetic field. Using magnetic probes in strategic parts of the ship, the strength of the current in the coils can be adjusted to minimize the total magnetic field. This is a heavy and clumsy solution, suited only to small-to-medium-sized ships.
A magnet is a material or object that produces a magnetic field. ... shaving off the outer layer of a magnet will not destroy its magnetic field, ...
The "Mag-7" or Magnificent Seven stocks are large-cap technology companies that have significant weighting in major stock indexes and have led much of the rally in stocks the past few years. They ...