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- {{Short description|Simple approximation of Earth's magnetic field}} ...L-values]] 1.5, 2, 3, 4 and 5 using a dipole model of the Earth's magnetic field]] ...4 KB (648 words) - 20:32, 16 October 2022
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- {{Short description|Simple approximation of Earth's magnetic field}} ...L-values]] 1.5, 2, 3, 4 and 5 using a dipole model of the Earth's magnetic field]] ...4 KB (648 words) - 20:32, 16 October 2022
- {{Short description|Set of basis functions}} ...assuming the targets signature is small compared to the [[Earth's magnetic field]]). ...4 KB (673 words) - 06:41, 23 August 2022
- {{Short description|second magnetic constant}} '''Second Magnetic Constant (Markarian Constant)''' ...3 KB (379 words) - 05:32, 29 November 2024
- ...red by this process. This is generally an unwanted component and some form of stepwise demagnetization must be used to remove it.<ref name=Dunlop1997>{{h ...[[Thermal equilibrium|equilibrium]] is {{math|<var>M</var><sub>eq</sub>}}, the magnetization after a time {{math|<var>t</var>}} is ...4 KB (521 words) - 03:24, 16 May 2022
- ...k D. |last2 = Banerjee |first2 = Subir K. |title = The Physical Principles of Rock Magnetism |publisher = [[Elsevier]] |year = 1974 |isbn = 0-444-41084-8 ...name=Temple>{{cite book |last = Temple |first = Robert |title = The Genius of China |publisher = [[Andre Deutsch]] |year = 2006 |isbn = 0-671-62028-2 |pa ...7 KB (1,088 words) - 03:24, 16 May 2022
- {{short description|Short-term changes in the Earth's magnetic field}} ...of Earth|Earth's interior]], while more rapid changes mostly originate in the [[ionosphere]] or [[magnetosphere]].<ref name=MerrillCh2>{{harvnb|Merrill|M ...7 KB (996 words) - 09:22, 6 January 2025
- ...mbient magnetic field, usually [[Earth's magnetic field|Earth's]], so that the counter-forces produced provide useful [[torque]]. ...reely pivot the craft around in a known local [[gradient]] of the magnetic field by only using electrical energy. ...10 KB (1,388 words) - 01:53, 2 October 2024
- {{short description|Standard model of the structure of Earth's magnetic field}} ...tle=International Geomagnetic Reference Field: the 12th generation|journal=Earth, Planets and Space|date=27 May 2015|volume=67|issue=79|doi=10.1186/s40623-0 ...6 KB (863 words) - 16:18, 28 December 2024
- ...ion frequency versus external field.<ref name="Rugar">{{cite journal|title=Magnetic Dissipation and Fluctuations in Individual Nanomagnets Measured by Ultrasen ...coupling can be used in place of a piezoelectric transducer (PZT) to drive the cantilever]] ...5 KB (891 words) - 22:01, 21 August 2019
- ...compound]]s with the formula RFeO{{sub|3}}, where R is one or more [[rare-earth element]]s. Orthoferrites have an [[orthorhombic]] crystal structure with ...re-earth ion subsystem acquires magnetization m due to an interaction with the iron subsystem. ...3 KB (471 words) - 05:35, 31 July 2024
- ...proximate boundary conditions for the electromagnetic field on the surface of well conducting bodies" [title translated from Russian]. In a book: B. A. V ...lated by Soviet physicists Alexander Shchukin and [[Mikhail Leontovich]], the boundary condition is given as ...3 KB (466 words) - 08:07, 19 May 2024
- ..., however we are very distant from its center and experience only a tiny [[magnetic flux density]] (measured in [[tesla (unit)|tesla]]) on its surface. ...late the magnetic flux density experienced (<math>\mathbf{B}</math>) using the following approximation: ...11 KB (1,522 words) - 16:56, 19 January 2025
- ...escription|Type of electromagnetic field where a slow oscillating magnetic field is dominate}} ...han a wavelength from the antenna, and within this region the electric and magnetic fields are approximately decoupled. ...8 KB (1,051 words) - 00:14, 30 March 2024
- {{Short description|Type of motion of magnetic fields}} ...[[partial differential equation]] commonly used in physics. Understanding the phenomenon is essential to [[magnetohydrodynamics]] and has important conse ...10 KB (1,602 words) - 16:43, 29 November 2024
- {{Short description|Study of magnetic properties of minerals with a view to understanding magnetism within rocks}} ...[[antiferromagnets]]. These minerals have a much stronger response to the field and can have a remanence. ...6 KB (800 words) - 05:07, 17 December 2023
- ...e applied external magnetic field, M is the total magnetic flux density of the material.]] ...from the exchange interaction between a hard magnetic material and a soft magnetic material, respectively. ...14 KB (2,137 words) - 02:07, 18 November 2024
- ...mra, J. Geophys. Res.,'''83''', 599, 1978</ref> A number of models of that field exists.<ref>McIlwain, C.E., Adv. Space Sci., '''6''', 187, 1986</ref><ref>R A widely used model is the '''Volland-Stern model''' <ref name="Volland1">Volland, H., J. Geophy. Res ...12 KB (1,830 words) - 19:26, 1 September 2024
- ...y 2023}}</ref> related to the applied magnetic field and the properties of the material.<ref name=Sheng/> ...5–1412| last = Chapman| first = S.| title = The electrical conductivity of the ionosphere: A review| journal = Il Nuovo Cimento (1955-1965)| accessdate = ...12 KB (1,826 words) - 19:27, 23 February 2025
- {{Short description|Theory to explain slowing of a star's spin}} ...oint <math> r_c </math> escape the magnetic field lines and thus take away the Sun's angular momentum.]] ...9 KB (1,469 words) - 17:24, 4 November 2024
- {{Short description|Measurement of ambient electromagnetic field}} [[Image:Clampco Sistemi Efield probe FP2000.jpg|thumb|300px| Electric field probe FP2000 (range 100 kHz – 2137 MHz)]] ...8 KB (1,223 words) - 21:55, 20 February 2024