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  • ...omagnetic property of [[classical vacuum]], relating mechanical and electromagnetic units of measurement. In the [[International System of Units]] (SI), its ...ite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?mu0 |title=Magnetic constant |accessdate=2007-08-08 |work=2006 [[CODATA]] recommended values |publisher=
    4 KB (511 words) - 16:04, 17 April 2011
  • A [[physical constant]] in the [[International System of Units]] (SI) relating mechanical force a
    290 B (42 words) - 00:00, 28 March 2011
  • 12 B (1 word) - 05:08, 22 December 2007
  • {{r|Magnetism}} {{r|Free space (electromagnetism)}}
    297 B (37 words) - 05:13, 1 December 2010

Page text matches

  • {{r|Magnetism}} {{r|Magnetic constant}}
    219 B (26 words) - 15:22, 21 December 2010
  • {{r|Electromagnetism}} {{r|Magnetic constant}}
    708 B (98 words) - 20:33, 13 December 2010
  • ...omagnetic property of [[classical vacuum]], relating mechanical and electromagnetic units of measurement. In the [[International System of Units]] (SI), its ...ite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?mu0 |title=Magnetic constant |accessdate=2007-08-08 |work=2006 [[CODATA]] recommended values |publisher=
    4 KB (511 words) - 16:04, 17 April 2011
  • {{r|Magnetization}} {{r|Magnetic constant}}
    1 KB (166 words) - 16:15, 24 December 2010
  • {{r|Gyromagnetic ratio}} {{r|Magnetic constant}}
    1 KB (165 words) - 18:34, 22 April 2011
  • #REDIRECT [[Magnetic constant]]
    31 B (3 words) - 12:44, 2 December 2008
  • #REDIRECT [[Magnetic constant]]
    31 B (3 words) - 19:06, 29 October 2007
  • #REDIRECT [[Magnetic constant]]
    31 B (3 words) - 19:04, 29 October 2007
  • *[[Magnetic field]] *[[Magnetization]]
    898 B (114 words) - 18:58, 13 December 2010
  • {{r|Electromagnetic wave}} {{r|Electromagnetism}}
    1 KB (148 words) - 21:47, 11 January 2010
  • Auto-populated based on [[Special:WhatLinksHere/Magnetic flux]]. Needs checking by a human. {{r|Electromagnetic induction}}
    808 B (104 words) - 23:16, 11 January 2010
  • {{r|Electromagnetic wave}} {{r|Electromagnetism}}
    830 B (107 words) - 23:10, 11 January 2010
  • *[[Magnetization]] *[[Magnetic induction]]
    1 KB (180 words) - 18:57, 13 December 2010
  • ...relative permeability describes the ease by which a magnetic medium may be magnetized. A related quantity is the '''magnetic susceptibility''', denoted by ''&chi;<sub>m</sub>'', related to the relat
    11 KB (1,675 words) - 22:41, 23 April 2011
  • {{r|Electric constant}} {{r|Magnetic constant}}
    280 B (35 words) - 05:54, 28 March 2011
  • ...r magnets Coulomb.png|right|250px|Coulomb force between North poles of bar magnets, '''F''' = &minus;<b>F'</b>. N is North pole; S is South pole.}} ...e, whereas electric charges do exist. However, with the aid of a long bar magnet the force between the poles can be measured reasonably accurately.
    3 KB (432 words) - 17:11, 11 June 2009
  • ...may be changed if required. For example, in the case of NMR logging, the magnet is inside, the probe surrounds it and a hollow cylindrical region surroundi ==Magnet==
    7 KB (1,077 words) - 16:05, 18 May 2009
  • ...etimes just the ''H''-field. In fact, some authors refer to '''B''' as the magnetic field and to '''H''' as an auxiliary field. ...permanent [[magnetism|magnet]]s (see [[Coulomb's law (magnetic)|Coulomb's magnetic law]]); more microscopically, the fundamental [[spin]]s of [[elementary p
    9 KB (1,330 words) - 21:37, 31 March 2011
  • ...avart]] describes the [[magnetic induction]] '''B''' (proportional to the magnetic field '''H''') caused by a direct electric current in a wire. Biot and Sa ...Savart announced that the magnetic force exerted by a long conductor on a magnetic pole falls off with the reciprocal of the distance and is orientated perp
    11 KB (1,702 words) - 18:31, 22 April 2011
  • {{r|Electric constant}} {{r|Magnetic constant}}
    1 KB (187 words) - 21:47, 27 March 2011
  • The term '''classical vacuum''' is used in classical [[electromagnetism]] where it refers to an ideal reference medium, devoid of all particles, {{cite book|title=Introduction to complex mediums for optics and electromagnetics |author=Werner S. Weiglhofer and Akhlesh Lakhtakia |year=2003 |url=http:
    10 KB (1,488 words) - 17:29, 16 November 2011
  • The constant of proportionality between the [[magnetic moment]] and [[Angular momentum (quantum)|angular momentum]] of an object
    129 B (17 words) - 18:48, 28 March 2011
  • ...gnetic field induces an electric current. This is the phenomenon of electromagnetic induction. ...he EMF induced in a circuit is proportional to the rate of decrease of the magnetic flux that cuts across the circuit. By [[Ohm's law]] an EMF induces an ele
    9 KB (1,549 words) - 17:18, 11 June 2009
  • ...cal commutation relations]], see the article [[quantization of the electromagnetic field]]. ...was the first to see that his equations predict the existence of [[electromagnetic wave]]s. Without knowledge and understanding of these waves we would not
    18 KB (2,680 words) - 23:46, 16 December 2010
  • ...rough the conducting wire. Two magnetic field lines are shown in blue. The magnetic induction '''B''' is a vector field tangent to field lines. The direction ...s made of [[iron]] or another [[ferromagnetic]] material that enhances the magnetic field.
    8 KB (1,392 words) - 12:40, 3 December 2009
  • The '''Rydberg constant''', often denoted as ''R<sub>&infin;</sub>'', originally defined empiricall ...|author=GW Series |chapter=Chapter 10: Hydrogen and the fundamental atomic constants}}
    4 KB (698 words) - 19:43, 5 August 2011
  • ...tician and physicist [[Carl Friedrich Gauss]], who was the first to define magnetic units. ...ussian units than in SI units. In addition, the various formulas of electromagnetism are easier to remember in Gaussian units than in SI units. Because they
    11 KB (1,498 words) - 09:46, 29 August 2009
  • ...uthor= C. Christodoulides |title=Comparison of the Ampère and Biot-Savart magnetostatic force laws in their line-current-element forms |journal= American Jo ==Electromagnetic units==
    14 KB (2,145 words) - 16:48, 21 April 2011
  • ...mic vacuum''', or ''QED vacuum'', refers to the ground state of the electromagnetic field, which is subject to fluctuations about a dormant zero average-fiel ...ΔE'' and ''Δt'' [[energy]] and [[time]] variations, and ℏ the [[Planck constant]] divided by 2π) arguing along the lines that the short lifetime of virtua
    19 KB (2,820 words) - 14:33, 18 February 2012
  • {{cite web |title=Neutron mass |work=Fundamental physical constants |url=http://physics.nist.gov/cgi-bin/cuu/Value?mn|search_for=neutron+mass {{cite web |title=Neutron g factor |work=Fundamental physical constants |url=http://physics.nist.gov/cgi-bin/cuu/Value?eqgnn|search_for=Neutron+g-
    9 KB (1,298 words) - 02:46, 22 July 2020
  • ...'',''t''). A stream of electromagnetic waves is referred to as '''[[electromagnetic radiation]]'''. ...the term ''electromagnetic'' (EM) is used, a contamination of electric and magnetic. Examples of EM waves in increasing [[wavelength]] are: [[gamma radiation
    25 KB (3,994 words) - 22:54, 17 April 2010
  • Auto-populated based on [[Special:WhatLinksHere/Electric constant]]. Needs checking by a human. {{r|Electromagnetic wave}}
    923 B (114 words) - 22:36, 17 April 2010
  • '''Nuclear magnetic resonance''' is a consequence of a property possessed by the nucleus know ...ts direction is also restricted to certain directions in the presence of a magnetic field.
    4 KB (645 words) - 19:04, 28 March 2011
  • {{r|Magnetization}} {{r|Magnetic moment}}
    873 B (113 words) - 14:04, 20 April 2011
  • ...hysics]], a '''magnetic field''' (commonly denoted by '''H''') describes a magnetic field (a vector) at every point in space; it is a [[vector field]]. In ...ental magnetic field, see the article about '''B''' for more details about magnetism.
    9 KB (1,428 words) - 13:19, 1 April 2011
  • ...name ''magnetic flux density'' (magnetic flux per unit of surface) for the magnetic induction '''B'''. If '''B''' is constant over ''S'', &Phi; is simply equal to '''B''' times the area of ''S''. If '
    1 KB (217 words) - 10:55, 11 July 2008
  • ...ic ratio''), ''&gamma;'', is the constant of proportionality between the [[magnetic moment]] ('''''&mu;''''') and the [[angular momentum]]('''''J''''') of an ...h is given (in radians/s) by the product of the field strength and the gyromagnetic ratio.<ref name = Larmor>
    12 KB (1,762 words) - 14:02, 25 October 2013
  • {{r|Free space (electromagnetism)}} {{r|Electric constant}}
    1 KB (196 words) - 10:55, 3 April 2011
  • ...ion). The gauss belongs to the [[Gaussian units|Gaussian]] and emu (electromagnetic) systems of units, which are cgs (centimeter-gram-second) systems. The u here Mx (maxwell) is the Gaussian unit for magnetic flux.
    2 KB (269 words) - 15:52, 10 May 2009
  • ...ct solutions of the [[Maxwell equations]] for the [[electric field]] and [[magnetic flux density]] generated at an arbitrary location by an ideal point charg ...on its trajectory. The symbol ''&epsilon;<sub>0</sub>'' is the [[electric constant]] of the [[SI units]]. Notice that at time <math>\tilde t</math>, unit vect
    5 KB (805 words) - 15:34, 28 April 2011
  • ...eau of Weights and Measures]].</ref> This sets the value of the [[magnetic constant]] μ<sub>0</sub> to 4π x 10<sup>&minus;7</sup> [[newton|N]]/A<sup>2</sup>. ...named for [[André-Marie Ampère]], an early investigator of electricity, magnetism, and chemistry.
    3 KB (445 words) - 00:14, 10 June 2010
  • ...ular in [[electrodynamics]], '''Ampère's law''' relates the strength of a magnetic field to the electric current that causes it. The law was first formulate ...nd ''c'' is the speed of light. The vector field '''B''' is known as the [[magnetic induction]]. The direction of integration along ''C'' matches ''i'' in th
    3 KB (510 words) - 15:16, 16 July 2008
  • ...nuclei in the presence of a magnetic field by using radio frequency electromagnetic radiation.<ref> I. I. Rabi.(1937) Phys. Rev., 51 652</ref><ref>N. Bloemb Pulses of radio-frequency electromagnetic radiation can be used to perturb the nuclear spin systems in a variety of
    39 KB (6,023 words) - 14:55, 8 September 2013
  • ...ivity''), designated ε<sub>0</sub>, is a [[physical constant]], an electromagnetic property of [[classical vacuum]], appearing in equations relating [[elect ...ealizable as some real "vacuum") and sometimes called [[Free space (electromagnetism)|free space]].
    4 KB (602 words) - 16:03, 17 April 2011
  • ...gnetometer''' is a scientific instrument used to measure the strength of [[magnetic field]]s. Earth's magnetism varies from place to place and differences in the Earth's [[magnetic field]] can be caused by a couple of things:
    9 KB (1,370 words) - 13:18, 12 September 2013
  • ...f the electromagnetic field''' is used in the [[quantization of the electromagnetic field| quantization]] that leads to [[photon]]s (light particles of well ...absence of charges and electric currents (that is, in [[Free space (electromagnetism)|"free" space]]), both '''E''' and '''B''' can be derived from a third
    15 KB (2,576 words) - 05:07, 1 December 2010
  • ...moment]] per unit volume, ''V'' of a material, defined in terms of the '''magnetic moments''' of its constituents by: ...] tending to align its moment with the field. Here, ''N'' is the number of magnetic moments in the volume ''V''. The M-field is measured in [[Ampere (unit)|a
    23 KB (3,481 words) - 19:29, 25 December 2010
  • {{r|Coulomb's law (magnetic)}} {{r|Electric constant}}
    1 KB (142 words) - 22:58, 17 April 2010
  • ...or MRS) is a [[spectroscopy|spectroscopic]] method that uses the [[nuclear magnetic resonance]] principle to manipulate the spin states of atomic nuclei to i ...[magnetogyric ratio]] of the [[isotope]] studied, and observing the electromagnetic signals emitted as the high energy states relax back to an equilibrium st
    41 KB (6,355 words) - 12:43, 12 April 2014
  • ...[[artificial satellites]]) allowing the observation of the whole [[electromagnetic spectrum]], modern astronomy has also discovered many exotic objects such ...ainly accomplished by detecting and analysing the various form of [[electromagnetic radiation]] (EM radiation) that reaches the observer, although methods of
    46 KB (6,796 words) - 01:44, 23 October 2020

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