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If the magnet is aligned with the magnetic field, corresponding to two magnets oriented in the same direction near the poles, then it will be drawn into the larger magnetic field. If it is oppositely aligned, such as the case of two magnets with like poles facing each other, then the magnet will be repelled from the region of higher magnetic field.
The magnetic field of permanent magnets can be quite complicated, especially near the magnet. The magnetic field of a small [note 6] straight magnet is proportional to the magnet's strength (called its magnetic dipole moment m). The equations are non-trivial and depend on the distance from the magnet and the orientation of the magnet.
Magnetic field of Ganymede: 10 22: 6.4 × 10 22 m 2 ⋅A [12] Earth's magnetic field 10 24: 2.2 × 10 24 m 2 ⋅A [11] Magnetic field of Neptune: 3.9 × 10 24 m 2 ⋅A [11] Magnetic field of Uranus: 10 25: 4.6 × 10 25 m 2 ⋅A [11] Magnetic field of Saturn: 10 27: 1.55 × 10 27 m 2 ⋅A [11] Magnetic field of Jupiter: 10 28: 1 × 10 28 m 2 ⋅ ...
Magnetic induction B (also known as magnetic flux density) has the SI unit tesla [T or Wb/m 2]. [1] One tesla is equal to 10 4 gauss. Magnetic field drops off as the inverse cube of the distance ( 1 / distance 3 ) from a dipole source. Energy required to produce laboratory magnetic fields increases with the square of magnetic field. [2]
Paramagnetic materials have a weak induced magnetization in a magnetic field, which disappears when the magnetic field is removed. Ferromagnetic and ferrimagnetic materials have strong magnetization in a magnetic field, and can be magnetized to have magnetization in the absence of an external field, becoming a permanent magnet. Magnetization is ...
In two related cases, the fishermen asked the court to overturn the 40-year-old Chevron doctrine, which stems from a unanimous Supreme Court case involving the energy giant in a dispute over the ...
Spontaneous magnetization is the appearance of an ordered spin state (magnetization) at zero applied magnetic field in a ferromagnetic or ferrimagnetic material below a critical point called the Curie temperature or T C.
The TSA officer "was shocked" to find that the bag contained "82 consumer grade fireworks, three knives, two replica firearms and one canister of pepper spray," the TSA said in a statement Friday.
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