Search results
Jump to navigation
Jump to search
Page title matches
- ...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 non-rela .... The [[magnetic flux density]] '''B''' is usually seen as the fundamental magnetic field, see the article about '''B''' for more details about magnetism.9 KB (1,428 words) - 08:19, 1 April 2011
- #Redirect [[Magnetic field]]28 bytes (3 words) - 09:33, 20 May 2008
- 242 bytes (29 words) - 09:53, 7 December 2022
- 133 bytes (15 words) - 02:53, 5 July 2008
- 285 bytes (32 words) - 15:44, 22 June 2008
- Auto-populated based on [[Special:WhatLinksHere/Magnetic field]]. Needs checking by a human.1 KB (180 words) - 11:54, 31 December 2022
Page text matches
- ...etizability]] as a proportionality between [[magnetic flux density]] and [[magnetic field]] in a magnetic material or medium.200 bytes (24 words) - 11:54, 19 April 2011
- ...commonly used to create magnetic field gradients perpendicular to the main magnetic field.175 bytes (24 words) - 23:52, 3 September 2009
- {{r|Magnetic field}}297 bytes (37 words) - 00:13, 1 December 2010
- ...an electromagnetic field. This electromagnetic field opposes the applied magnetic field. The opposition of the two fields combined with the relative resistance of663 bytes (97 words) - 01:45, 12 February 2010
- ...s a vector property that determines the torque the object experiences in a magnetic field tending to align its moment with the field.423 bytes (72 words) - 10:27, 21 December 2010
- ...field]]. If the charges are moving through a conducting plate immersed in magnetic field perpendicular to their motion then they will tend to congregate on one side535 bytes (82 words) - 20:34, 16 April 2009
- ...e, functional abilities that begin with perception of the direction of the magnetic field locally passing through them407 bytes (56 words) - 09:42, 6 July 2011
- Fourier series of the following real vector fields: electric field, magnetic field, and vector potential.141 bytes (18 words) - 03:20, 5 December 2009
- {{r|Magnetic field}}219 bytes (26 words) - 10:22, 21 December 2010
- {{r|Magnetic field}}708 bytes (98 words) - 15:33, 13 December 2010
- #Redirect [[Magnetic field]]28 bytes (3 words) - 09:33, 20 May 2008
- *[[Magnetic field]] {{r|Magnetic field}}898 bytes (114 words) - 13:58, 13 December 2010
- ...termining the [[Lorentz force]] upon a moving charge, and related to the [[magnetic field]] '''H'''.196 bytes (24 words) - 09:39, 18 April 2011
- ...''' of the nuclear spin states (generally by introducing the sample into a magnetic field) ...ied by changes in the magnetic field usually in the form of time dependent magnetic field gradients.2 KB (317 words) - 00:44, 19 October 2008
- {{r|Magnetic field}}849 bytes (109 words) - 21:28, 11 January 2010
- A property that magnetic nuclei have in a magnetic field and applied electromagnetic (EM) pulse, which cause the nuclei to absorb en225 bytes (35 words) - 21:37, 3 September 2009
- Describes the behavior of moving charges in a magnetic field.97 bytes (13 words) - 08:54, 24 January 2009
- {{r|Interplanetary magnetic field}}739 bytes (99 words) - 03:25, 3 October 2009
- Gives the magnetic field at some distance of an electric current-carrying wire.115 bytes (15 words) - 19:53, 21 March 2011
- {{r|Building blocks: solvent suppression - pulsed magnetic field gradients and RF ||***}} {{r|Magnetic field}}2 KB (230 words) - 07:42, 30 July 2009
- {{r|Magnetic field}}811 bytes (92 words) - 00:09, 1 December 2010
- ..., i.e., a compass needle will align itself along (be tangent to) the green magnetic field line in the figure, pointing in the same direction as the green arrow.965 bytes (153 words) - 12:51, 11 June 2009
- Auto-populated based on [[Special:WhatLinksHere/Magnetic field]]. Needs checking by a human.1 KB (180 words) - 11:54, 31 December 2022
- * [[Gauss (unit)]] Gaussian unit of magnetic field strength127 bytes (15 words) - 12:20, 31 May 2009
- {{r|Magnetic field}}830 bytes (107 words) - 18:10, 11 January 2010
- ==Magnetic field effects==3 KB (302 words) - 04:54, 21 March 2024
- {{r|Magnetic field}}1 KB (148 words) - 16:47, 11 January 2010
- ...th’s magnetic fields is caused by reversals in the polarity of the Earth's magnetic field, the Earth’s magnetic poles literally change locations. These reversals o ...on which is related to changes or reversals in the polarity of the Earth's magnetic field.4 KB (503 words) - 10:10, 19 July 2008
- Electromotive force induced by a varying magnetic field; described by Faraday's law of induction.133 bytes (17 words) - 07:45, 5 July 2008
- [[Planet Earth]] is surrounded by a [[magnetic field]].<ref name=SkyGraham/> The magnetic field captures [[charged particles]] from [[outer space]], and diverts them to th2 KB (263 words) - 01:35, 1 September 2009
- * [[Oersted (unit)]], cgs unit of magnetic field strength.144 bytes (17 words) - 12:42, 31 May 2009
- ...lities that begin with perception of the direction and/or intensity of the magnetic field locally passing through them.<ref name=wilts2012>Wiltschko R, Wiltschko W. ...heir way around in the world depends on correctly interpreting the earth's magnetic field.<ref name=gould2005/></p>2 KB (265 words) - 22:37, 6 May 2012
- ...he vector '''B''' is the magnetic induction (in vacuum proportional to the magnetic field '''H''') at the position d'''S''', the dot indicates a [[dot product]] betw3 KB (415 words) - 13:04, 29 March 2009
- ....edu/education/tutorials/magnetacademy/cryogenics/index.html National High Magnetic Field Laboratory -Cryogenics for English Majors]365 bytes (53 words) - 02:47, 14 December 2009
- ...periodic in space and time, of an electric field '''E'''('''r''',t) and a magnetic field '''B'''('''r''',t); a stream of electromagnetic waves, referred to as elect304 bytes (46 words) - 16:05, 8 March 2010
- {{r|Magnetic field}}636 bytes (80 words) - 15:43, 11 January 2010
- {{r|Magnetic field}}679 bytes (86 words) - 16:01, 11 January 2010
- {{r|Magnetic field}}1 KB (160 words) - 13:38, 25 April 2011
- 160 bytes (23 words) - 07:23, 10 July 2008
- ...e susceptible to electrical fields are heated by an alternating or varying magnetic field from the use of alternating current (AC).203 bytes (30 words) - 12:22, 16 June 2008
- ...ic field|Lorentz force law]] and is perpendicular to both the wire and the magnetic field. ...illustrates this principle for a single current loop as ''armature'' in a magnetic field provided by the north and south poles of a magnet. The Lorentz force at the3 KB (402 words) - 12:34, 12 March 2011
- ...ay is one of the simplest coil designs that can produce a fairly uniform [[magnetic field]] gradient transverse to its cylindrical coil former.201 bytes (31 words) - 05:11, 2 February 2009
- A scientific instrument used to measure the strength and/or direction of the magnetic field in the vicinity of the instrument.163 bytes (24 words) - 03:50, 4 September 2009
- The integral of a magnetic field over a closed path is equal to the conduction current through the surface b163 bytes (26 words) - 08:19, 20 June 2008
- ...ugh an electromotive force <math>\mathcal{E}</math> induced by a change in magnetic field '''B'''. For constant surface ''S'' and uniform rate of decrease of |'''B' * The [[oersted]] is the Gaussian unit of strength of a [[magnetic field]] |'''H'''|. The oersted is defined by means of an electric current giving2 KB (269 words) - 15:51, 31 October 2021
- ...e wound around a cylinder; when a direct current passes through the wire a magnetic field is generated, and the solenoid becomes an electromagnet.208 bytes (31 words) - 10:45, 21 June 2008
- ...ts direction is also restricted to certain directions in the presence of a magnetic field. In the absence of a magnetic field, it is not possible to obtain ''any'' information regarding its direction.4 KB (645 words) - 14:04, 28 March 2011
- {{r|Magnetic field}}733 bytes (94 words) - 16:47, 11 January 2010
- ...ated in the figure on the right. Recall here—see [[Biot-Savart's law#Magnetic field on axis of circular current|this article]]—that the direction of curr ...enz enunciated his law as follows: when a conducting circuit is moved in a magnetic field, the induced current flows in such a direction that the force on it tends t2 KB (388 words) - 12:33, 11 June 2009
- The use of '''electromagnetic radiation''', in the presence of a '''magnetic field''', to obtain information regarding '''transitions between different nuclea259 bytes (34 words) - 00:11, 19 October 2008
- {{r|Magnetic field}}1 KB (165 words) - 13:34, 22 April 2011
- {{r|Magnetic field}}543 bytes (69 words) - 20:28, 11 January 2010
- | title = Space Quantization in a Gyrating Magnetic Field3 KB (418 words) - 04:54, 21 March 2024
- ...'B'''-field]] (entering the expression for the [[Lorentz force]]) to the [[magnetic field|magnetic '''H'''-field]]4 KB (511 words) - 11:04, 17 April 2011
- * {{r|Earth's magnetic field| Geomagnetism}} (including [[ionosphere]], [[magnetosphere]], [[Van Allen r1 KB (154 words) - 09:35, 14 September 2013
- ..., closely related, vector fields giving the magnetic force. There is the [[magnetic field]] '''H''' and the [[magnetic induction]] '''B''', which are related (in vac3 KB (432 words) - 12:11, 11 June 2009
- {{r|Magnetic field}}1 KB (166 words) - 11:15, 24 December 2010
- ...he energy levels and greater [[polarization]] at equilibrium. The required magnetic field is usually provided by an external magnet. ...are usually lower for [[MRI]] and NMR relaxometry. The homogeneity of the magnetic field created by the primary [[magnet]] is improved by using a set of [[shimming|7 KB (1,077 words) - 11:05, 18 May 2009
- ...d may vary in time, in which case it is accompanied by a time-dependent [[magnetic field]]; the two time-dependent fields together form an [[electromagnetic wave|e ...r more electric charges other than ''q'', but it may also be caused by a magnetic field that varies in time, or by a combination of the two. The expression states6 KB (914 words) - 18:48, 30 October 2021
- In [[physics]], the '''oersted''' (symbol '''Oe''') is the unit of [[magnetic field]] strength |'''H'''| in the emu ( electromagnetic unit) and [[Gaussian unit For Gaussian units, the oersted is defined as ''the strength of the magnetic field at a distance of 1 centimeter from a straight conductor of infinite length4 KB (584 words) - 11:53, 21 September 2009
- ...the left and travels around the cylinder through the conducting wire. Two magnetic field lines are shown in blue. The magnetic induction '''B''' is a vector field t ...s made of [[iron]] or another [[ferromagnetic]] material that enhances the magnetic field.8 KB (1,392 words) - 07:40, 3 December 2009
- ...agnetic field will be created between the reader and the antenna. Once the magnetic field has provided power to the passive tag, the tag can send to the reader whate2 KB (384 words) - 19:07, 2 February 2009
- \mathbf{B} &&& \hbox{magnetic field} \\ The [[magnetic induction|magnetic field]] '''B''' is a [[divergence]]-free field and hence can be written as the [[4 KB (674 words) - 05:17, 23 February 2009
- Magnetic field gradients are controlled by an independent subsystem. Magnetic field gradients are generated by passing current through coils of appropriate geo1 KB (187 words) - 16:18, 3 April 2024
- {{r|Magnetic field}}1 KB (141 words) - 11:57, 28 July 2011
- ...ry well-known example of a divergence-free field is a [[magnetic induction|magnetic field]] '''B''', which is divergence-free by virtue of one of [[Maxwell's equat3 KB (514 words) - 02:14, 14 October 2013
- ...ng the lines of force. By means of this effect, a good visual picture of a magnetic field can easily be obtained by mapping it with iron filings: cover the magnet wi ...ented, so that their individual effects tend to cancel one another. When a magnetic field is applied to the metal, the small magnets line up parallel to the field, s7 KB (1,065 words) - 11:42, 12 October 2011
- ...etimes just the ''H''-field. In fact, some authors refer to '''B''' as the magnetic field and to '''H''' as an auxiliary field. ...ists in the neighborhood of these sources. In general the strength of the magnetic field decreases as a low power of 1/''R'', the inverse of the distance ''R'' to9 KB (1,330 words) - 16:37, 31 March 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 non-rela .... The [[magnetic flux density]] '''B''' is usually seen as the fundamental magnetic field, see the article about '''B''' for more details about magnetism.9 KB (1,428 words) - 08:19, 1 April 2011
- The Lorentz force has two vector components, one proportional to the magnetic field and one proportional to the electric field. These components must be added5 KB (833 words) - 21:31, 26 March 2022
- {{r|Magnetic field}}1 KB (189 words) - 17:55, 17 April 2010
- {{r|Magnetic field}}430 bytes (56 words) - 16:55, 11 January 2010
- * [[Ampere's law]] Integral relation between magnetic field and current (forerunner of Maxwell equation).530 bytes (70 words) - 12:42, 31 May 2009
- {{r|Magnetic field}}455 bytes (59 words) - 17:03, 11 January 2010
- {{r|Magnetic field}}428 bytes (55 words) - 19:52, 11 January 2010
- ...about a hybrid technique, using inertia from massive pistons compressing a magnetic field, which keeps the hot plasma away from the reactor walls.[https://www.helion1 KB (233 words) - 14:56, 23 May 2023
- ...cular in [[electrodynamics]], '''Ampère's law''' relates the strength of a magnetic field to the electric current that causes it. The law was first formulated by [[A3 KB (510 words) - 10:16, 16 July 2008
- {{r|Magnetic field}}510 bytes (65 words) - 11:35, 31 December 2022
- {{r|Magnetic field}}826 bytes (93 words) - 16:51, 24 March 2024
- {{r|Magnetic field}}517 bytes (67 words) - 20:35, 11 January 2010
- {{r|Magnetic field}}544 bytes (67 words) - 18:17, 11 January 2010
- {{r|Magnetic field}}534 bytes (72 words) - 09:39, 6 August 2023
- ...depleted. Oxyhemoglobin is paramagnetic, which means it slightly repels a magnetic field, while deoxyhemoglobin is diamagnetic, which means it is slightly magnetic. ...ulos AP, ''et al'' |title=Functional imaging of human motor cortex at high magnetic field |journal=J. Neurophysiol. |volume=69 |issue=1 |pages=297–302 |year=1993 |4 KB (541 words) - 09:14, 20 July 2010
- {{r|Magnetic field}}545 bytes (71 words) - 15:26, 16 March 2010
- ...th>\scriptstyle \frac {1}{2}</math>. In a strong external [[magnetic field|Magnetic field]] <math>\scriptstyle {\vec B}_0</math> they tend to line up with the field. ...movement around this axis. Similarly the proton spins are preceding in the magnetic field with a characteristic frequency—the lamour frequency.5 KB (764 words) - 13:40, 28 July 2010
- {{r|Magnetic field}}624 bytes (83 words) - 11:58, 31 December 2022
- {{r|Magnetic field}}599 bytes (78 words) - 17:05, 11 January 2010
- {{r|Magnetic field}}557 bytes (71 words) - 19:09, 11 January 2010
- ...day]], who discovered in 1831 on basis of observations that a change in a magnetic field induces an electric current. This is the phenomenon of electromagnetic indu ...e circuit, which means that the work done by rotating the circuit inside a magnetic field is converted into an electric current. Thus, Faraday's law is the theoreti9 KB (1,549 words) - 12:18, 11 June 2009
- ...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) - 08:18, 12 September 2013
- ...he [[magnetic induction]] '''B''', the [[magnetization]] '''M''' and the [[magnetic field]] '''H''' have the same dimensions, while in SI units the dimensions are al <tr><td> <i>H</i> <td> [[magnetic field]] <td> 1 Oe → 10<sup>3</sup>/(4π) A/m...11 KB (1,527 words) - 17:15, 2 November 2021
- ...ality constant between the [[magnetic flux density]] '''''B''''' and the [[magnetic field]] '''''H''''', namely '''''B''''' = {{nowrap|μ<sub>r</sub> μ<sub>0</s ...applies only when v/c is negligible. For an accelerating point charge, the magnetic field is not described by the Biot-Savart law because there is an additional radi11 KB (1,675 words) - 17:41, 23 April 2011
- ...e rotational frequencies of the pair of nuclei with respect to the applied magnetic field.3 KB (493 words) - 19:42, 28 March 2011
- ...a [[conductor]], or [[ion]]s in a [[plasma]]. Electric current creates a [[magnetic field]], and a time-varying electric current generates an [[electromagnetic wave]711 bytes (103 words) - 08:37, 21 August 2011
- ...l [[magnetic field]], the spins align themselves with the direction of the magnetic field and precess in relation to the field. Applying a radio-frequency pulse perp ...ield is a function of the external magnetic field strength, increasing the magnetic field strength of MRI spectrometers enhances the observed signal-to-noise ratio.10 KB (1,408 words) - 04:54, 21 March 2024
- ...avart]] describes the [[magnetic induction]] '''B''' (proportional to the magnetic field '''H''') caused by a direct electric current in a wire. Biot and Savart int ...Historically, this is the case considered by [[Biot]] and [[Savart]]. The magnetic field ''H'' at a distance ''R''11 KB (1,702 words) - 13:31, 22 April 2011
- ...y similar way, a displacement current (a changing electric field) causes a magnetic field encircling it. It is the displacement current in the extension of Ampère's where '''H'''('''r''') is the [[magnetic field]]. Since the divergence of the curl is always zero,6 KB (972 words) - 16:59, 27 October 2021
- ...the name [[Oersted (unit)|oersted]] was adopted for the physical unit of [[magnetic field]] strength |'''H'''| in the [[Gaussian units|Gaussian system of units]]. ...A bar magnet is hung above a wire carrying the direct current ''i''. The magnetic field '''B''' is in [[right-hand screw rule|the direction of the turn of a screw5 KB (738 words) - 06:22, 12 September 2013
- ...Hz, 40 MHz) induced plasma generated by an induction coil that produces a magnetic field (H). For typical laboratory uses, the power requirement is between 1 and 51 KB (164 words) - 11:38, 18 May 2010
- ...[crust (geology)|crust]] which are remnants of a presumed former planetary magnetic field which is now long extinct. ...t]]s become 'overloaded' with energetic particles, which then cascade down magnetic field lines and collide with Earth's upper atmosphere.12 KB (1,940 words) - 11:46, 2 February 2023
- ...periments on the [[Zeeman effect|Zeeman splitting]] of the gallium atom in magnetic field showed that was not exactly the case, and later this departure was calculat12 KB (1,762 words) - 09:02, 25 October 2013
- ...th’s magnetic fields is caused by reversals in the polarity of the Earth's magnetic field, the Earth’s magnetic poles literally change locations. These reversals o10 KB (1,421 words) - 17:23, 6 February 2013
- ...ng transition's rapid loss of resistance is accompanied by an expulsion of magnetic field from the material. This phenomenon is called the [[Meissner effect]]. Thi2 KB (305 words) - 16:51, 18 March 2010
- {{r|Magnetic field}}2 KB (216 words) - 06:40, 23 March 2022
- ...ay be confused by bottom debris, decoys and anything else that changes the magnetic field of the earth.8 KB (1,181 words) - 15:31, 4 April 2024
- ...ing}}</ref> Later devices are controllable as to position with an external magnetic field, so the examiner can give a detailed look to an area of interest. This cont3 KB (391 words) - 05:21, 15 March 2024
- ...onsists of two [[vector fields]], the [[electric field]] '''E''' and the [[magnetic field]] '''B'''. The '''Fourier expansion of the electromagnetic field''' is use The magnetic field '''B''' satisfies the following [[Maxwell equations|Maxwell equation]]:15 KB (2,576 words) - 00:07, 1 December 2010
- {{r|Magnetic field}}2 KB (206 words) - 15:53, 4 April 2024
- ...works. The different shapes and sizes of the cars will disturb the Earth’s magnetic field in different ways, giving each vehicle model an identifiable magnetic signa7 KB (1,090 words) - 08:23, 9 September 2020
- ...irradiation frequency, say 800 MHz, is fixed on the X- or Y-axis, and the magnetic field, by convention, points towards the positive Z-axis. By convention, ''I'' a8 KB (1,290 words) - 02:21, 16 February 2010
- ...netic [[North]] from its location. This is because effect of the [[Earth’s magnetic field]] on the small magnet in the needle. The 'North-seeking' end of a compass i They do not sense the magnetic field of the earth, but rather the earth's rotation. A system of a self-stabiliz12 KB (1,918 words) - 07:12, 24 August 2010
- {{r|Magnetic field}}3 KB (457 words) - 12:49, 15 March 2024
- ...or]] property that determines the [[torque]] the object experiences in a [[magnetic field]] tending to align its moment with the field. Here, ''N'' is the number of ...g a current, can have a magnetic moment, and will experience a torque in a magnetic field (as in an [[electric motor]]). That is not the topic here.23 KB (3,481 words) - 14:29, 25 December 2010
- ...ry, together with [[Felix Savart|Félix Savart]], that the strength of the magnetic field caused by a current flowing through a wire varies inversely with the distan2 KB (242 words) - 22:20, 3 February 2009
- ...mathematical equations that describe how [[electric field|electric]] and [[magnetic field|magnetic]] fields are created by [[electric charge]]s and [[electric curren ...icroscopic equations'', which describe the electric field '''E''' and the magnetic field '''B''' ''in vacuo'', together with their sources (charge- and current-den18 KB (2,680 words) - 18:46, 16 December 2010
- ...sing a gas, rotating a shaft, and even directing small particles along a [[magnetic field]].2 KB (284 words) - 12:55, 14 February 2021
- The [[magnetic field]] of the area where the read/write head happens to be determines whether th2 KB (266 words) - 23:03, 19 February 2010
- ...case in which only static electric charges are considered and there is no magnetic field, ...ion of the Maxwell equations in the absence of moving charges and a static magnetic field, i.e., of the Poisson equation,13 KB (2,015 words) - 10:16, 21 October 2021
- {{r|Magnetic field}}2 KB (303 words) - 20:42, 11 January 2010
- ...ead of having one giant CRT whose electrons are aimed using electric and [[magnetic field]]s. These displays are known as [[Field Emission Display]]s (FEDs). A nano3 KB (427 words) - 10:31, 28 June 2023
- {{r|Magnetic field}}2 KB (310 words) - 21:24, 11 January 2010
- ...nergy states whose energy differences are dependent on the strength of the magnetic field. In the simplest case where the nuclear spin ''I'' = 1/2, the spin can be ...likewise only the direction differs by 180˚in the direction of the applied magnetic field.)15 KB (2,459 words) - 17:02, 7 March 2024
- *'''''B''''': magnetic field vector2 KB (374 words) - 09:55, 3 June 2016
- Later mines could detect the magnetic field of a ship and detonate based on that detonation; this made it practical to7 KB (1,013 words) - 17:23, 8 February 2011
- ...ns that the complex is paramagnetic, the unpaired electron will align in a magnetic field.15 KB (2,390 words) - 10:11, 5 February 2010
- ...uence of these electromagnetic properties is that the ratio of electric to magnetic field strengths in an [[electromagnetic wave]] propagating in classical vacuum is10 KB (1,488 words) - 12:29, 16 November 2011
- ...f moving electrons, which are subect to the [[Lorentz force]] '''F''' in a magnetic field: ...o the force at the left is opposite in direction to that at the right. The magnetic field is in the plane of the loop, so the forces are normal to this plane, causin20 KB (3,045 words) - 11:21, 29 June 2011
- ...in space and time, of an [[electric field]] '''E'''('''r''',''t'') and a [[magnetic field]] '''B'''('''r''',''t''). A stream of electromagnetic waves is referred to Because an electric as well as a magnetic field is involved, the term ''electromagnetic'' (EM) is used, a contamination of25 KB (3,994 words) - 17:54, 17 April 2010
- ...the [[terrella]]. From these experiments, he concluded that the [[Earth's magnetic field|Earth]] was itself [[magnetic]] and that this was the reason [[compass]]es ...ls/pioneers/gilbert.html William Gilbert, brief biography at National High Magnetic Field Laboratory]</ref><ref>[http://www.bbc.co.uk/history/historic_figures/gilber13 KB (1,985 words) - 07:38, 18 September 2020
- ...us system, and also taking into account external influences like [[Earth's magnetic field|earth magnetism]] and [[solar wind]]s. Becker measured the electrical prop9 KB (1,280 words) - 08:12, 20 September 2013
- ...icles. The outermost section is the muon spectrometer, also immersed in a magnetic field, which observes the tracks of muons which will generally pass undetected th6 KB (918 words) - 23:16, 25 March 2011
- ...current pointed at right angles to the wire, they began to investigate the magnetic field produced by the wire and discovered what today is called the [[Biot-Savart3 KB (430 words) - 10:36, 9 May 2009
- ...perspective. The study of paleomagnetism has demonstrated that the Earth's magnetic field varies in both orientation and intensity through time. The positions of mag10 KB (1,472 words) - 08:34, 8 June 2009
- ...spectral line is split into several components due to the presence of a [[magnetic field]].13 KB (2,036 words) - 18:38, 10 February 2010
- ...energy differences between the spin states of nuclei in the presence of a magnetic field by using radio frequency electromagnetic radiation.<ref> I. I. Rabi.(1937) ...ts direction is also restricted to certain directions in the presence of a magnetic field.39 KB (6,024 words) - 04:54, 21 March 2024
- ...al ''V'' to represent the basic electromagnetic electric field '''E''' and magnetic field '''B''' using the relations:<ref name=Vogel2/>19 KB (2,820 words) - 09:33, 18 February 2012
- ...netic fields of the Earth in the past. Paleomagnetism measures the remnant magnetic field often preserved in iron-bearing rock formations. Paleomagnetic analysis can ...masses of bedrock, geologists have been able to determine that the Earth's magnetic field has reversed polarity several times in the last 3 billion years.17 KB (2,480 words) - 19:41, 9 January 2021
- ...quantum number). Finally on the right [[Zeeman]] splittings in an external magnetic field.]]4 KB (593 words) - 09:31, 25 October 2009
- ...s because they will not detonate if stepped upon or handled; the weight or magnetic field of a tank is required to set them off.4 KB (589 words) - 16:22, 30 March 2024
- ...of two vector fields, an [[electric field]] '''E'''('''r''',''t'') and a [[magnetic field]] '''B'''('''r''',''t''). Both are time-dependent [[vector field]]s that in23 KB (3,635 words) - 05:33, 1 April 2024
- :: Magnetism, the study of forces between moving charged objects, the magnetic field, and electromagnetic induction.14 KB (1,896 words) - 14:20, 27 December 2022
- ...ms with electromagnetic radiation that is proportional to both the applied magnetic field and the [[magnetogyric ratio]] of the [[isotope]] studied, and observing th ...ces between spin states of magnetically active nuclei in the presence of a magnetic field by using radio frequency electromagnetic radiation.<ref> I. I. Rabi.(1937)41 KB (6,350 words) - 04:54, 21 March 2024
- .... Moving electric charges constitute an [[electric current]], generating [[magnetic field]]s and magnetic forces. See the article [[Liénard–Wiechert potentials]].21 KB (3,138 words) - 05:36, 6 March 2024
- ...do not show up on X-ray: metal is both radioopaque and often will affect a magnetic field.11 KB (1,764 words) - 16:21, 30 March 2024
- ...Lorentz) of the [[Zeeman effect]], the splitting of spectral lines in a [[magnetic field]]. ...scientist easily recognizes it as the vacuum carrying an electric and/or a magnetic field. Also, Lorentz remained a classical physicist in that he could not accept18 KB (2,830 words) - 08:31, 11 September 2023
- ...Ampere's law]], which describes the relation between electric current and magnetic field and [[Ampere's equation]], which gives the force between two current carryi ...[[Maxwell's laws]]—that relates an integral over a closed path in a magnetic field to the electric current through the surface bounded by the path.10 KB (1,656 words) - 01:58, 6 February 2010
- ...en by directing small magnetic particles within a body along an external [[magnetic field]].17 KB (2,892 words) - 23:00, 26 May 2010
- ...tracking detectors]] at [[collider|high-energy colliders]] make use of a [[magnetic field]] and are then able to identify the charge of the particle by its curvature6 KB (919 words) - 05:07, 7 February 2010
- ...sible. For instance, ''DW'' = −''HdM'', the product of an external [[magnetic field]] ''H'' with a small change in total [[magnetization]] ''dM'', is a change16 KB (2,628 words) - 14:15, 12 December 2021
- ...to the flares that occur on the sun when under the influence of the sun's magnetic field charged particles are accelerated and radiate brightly, particularly in ult18 KB (2,830 words) - 10:19, 9 June 2008
- ...g for <sup>15</sup>N- and <sup>13</sup>C-Double-Labeled Proteins in a High Magnetic Field | journal = J. Magn. Reson. Series A | volume = 123| pages = 181-187 | year32 KB (5,116 words) - 04:54, 21 March 2024
- ...produced by [[proton]]s in the body when the head is placed in a strong [[magnetic field]]. Associated with early application of the basic technique to the human bo ...in brain imaging. In TMS, a coil is held near a person's head to generate magnetic field impulses that stimulate underlying brain cells to make someone perform a sp27 KB (3,962 words) - 16:57, 7 March 2024
- ...st = Y-M| coauthors = ''et al.''| date = 2005 | title = Modeling the sun's magnetic field and irradiance since 1713| journal = Astrophys J| volume = 625 | pages = 5211 KB (1,443 words) - 19:34, 27 November 2012
- ...[magnetic field]] (either from a moving magnet, or a wire moving through a magnetic field) can 'induce' an electric current in a wire (''see the section [[#Electroma ...connection; the [[polarization plane]] of polarized light is rotated by a magnetic field. This ability of magnetism to affect light is now known as the [[Faraday ef40 KB (6,455 words) - 08:20, 1 September 2013
- ...[magnetic field]] (either from a moving magnet, or a wire moving through a magnetic field) can 'induce' an electric current in a wire (''see the section [[#Electroma ...connection; the [[polarization plane]] of polarized light is rotated by a magnetic field. This ability of magnetism to affect light is now known as the [[Faraday ef41 KB (6,564 words) - 08:21, 1 September 2013
- *magnetic field properties18 KB (2,817 words) - 20:15, 27 October 2020
- ==[[Magnetic induction|Magnetic field (a.k.a. magnetic flux density)]]== The [[International_System_of_Units|SI unit]] of magnetic field strength is the [[Tesla_(unit)|tesla]] (T). Alternative units are in [[Gaus45 KB (6,572 words) - 12:36, 9 March 2024
- ...p://www.ast.obs-mip.fr/users/donati/press/v374peg_more_eng.html The simple magnetic field of an ultra-cool star]Donati, J.F. & Cameron, A.C. (2006)</ref>14 KB (2,338 words) - 10:18, 23 November 2011
- ...e physical meaning, for example, direction and strength of an electric and magnetic field, or velocities of two particles. Let the following be a basis of ℝ<sup>39 KB (1,373 words) - 06:21, 11 December 2009
- *The first evidence for strong [[magnetic field]]s in chemically peculiar stars7 KB (1,076 words) - 09:16, 6 March 2024
- ...a]] in [[Gainesville, Florida]]. The NHMFL operates state-of-the-art, high-magnetic field facilities for researchers and engineers. High magnetic fields are importan19 KB (2,853 words) - 09:20, 22 April 2024
- | [[magnetic field]] strength || A·m<sup>−1</sup>23 KB (3,590 words) - 20:32, 4 February 2024
- ...ight is comprised of waves, i.e., travelling perturbances in the [[electro-magnetic field]], but light ''also'' (most paradoxically) appears to have characteristics17 KB (2,773 words) - 20:36, 6 November 2020
- ...d providing a likely explanation for its lack of an internally generated [[magnetic field]].<ref>Nimmo, F. (2002), ''Crustal analysis of Venus from Magellan satellit ===Magnetic field and core===41 KB (6,454 words) - 10:12, 28 February 2024
- ...], where electrical currents were used to introduce a permanent (but weak) magnetic field in some ferrous material, which could then be read to retrieve the data. Ev25 KB (3,906 words) - 12:07, 22 February 2009
- ...W. Davidson, Mortimer Abramowitz (2008) Optical Microscopy, National High Magnetic Field Laboratory</ref>14 KB (2,229 words) - 06:14, 17 March 2014
- ...is usually weak, the most intense radio sources are objects with strong [[magnetic field|magnetic fields]] (such as [[pulsar|pulsars]] and [[radio galaxy|radio gala ...well as the [[aurora (astronomy)|aurora]] where the lines of the [[Earth's magnetic field]] descend into the [[Earth's atmosphere|atmosphere]].<ref>{{cite web | auth46 KB (6,796 words) - 10:08, 28 February 2024
- ...res including emitted or reflected sounds, pressure waves, vibrations, and magnetic field or ionosphere disturbances.<ref name=FM2-0>{{citation ...scientific instrument used to measure the strength and/or direction of the magnetic field in the vicinity of the instrument. The measurements they make can be compar75 KB (10,990 words) - 12:11, 31 March 2024
- ...ctromagnetic radiation]] that travels in waves of vibrating electric and [[magnetic field]]s and is a small part of a larger range of vibrating electromagnetic field12 KB (1,867 words) - 08:51, 30 June 2023
- ...entropy, number of moles). Two further examples of conjugate pairs are [[magnetic field]]-[[magnetization]] and [[electric field]]-[[polarization]].21 KB (3,073 words) - 20:08, 1 September 2020
- ...next to each tone wheel. The bumps in the edge of the tone wheel cause the magnetic field of the pickup to vary, generating a periodic voltage change in the pickup's10 KB (1,645 words) - 09:14, 2 March 2024
- ...004/88.cfm | accessdate=2006-06-13}}</ref> Although Mars has no intrinsic magnetic field, observations have revealed that parts of the planet's crust are magnetized ...ry [[Dynamo_theory|dynamo]] ceased, leaving only remnants of the planetary magnetic field to be [[Paleomagnetism|frozen into]] magnetically susceptible minerals. Ov44 KB (6,986 words) - 09:16, 6 March 2024
- ...the pickups to measure the movement of the steel guitar string within the magnetic field above the pickup. Some acoustic guitars also have microphones or pickups bu38 KB (6,099 words) - 07:12, 18 October 2013
- ...Tony | date = 2001-02-15 | work = Science@NASA}}</ref> The Sun's rotating magnetic field acts on the interplanetary medium to create the [[heliospheric current she ...mmary/291/5510/1909}}</ref> The interaction of the solar wind with Earth's magnetic field creates the [[aurora (astronomy)|aurorae]] seen near the [[magnetic pole]]s76 KB (11,605 words) - 21:48, 1 September 2020
- ...ting evidence. I don't think dogs require the ability to sense the earth's magnetic field to be able to navigate or to affect their left/right preference--the area t35 KB (5,688 words) - 13:28, 2 April 2024
- ...ion caused by global floods, solar flares, exploding sun, reversals of the magnetic field, or planetary collisions.<ref name=twsMar14g>{{cite news24 KB (3,716 words) - 15:07, 18 March 2024
- ...res including emitted or reflected sounds, pressure waves, vibrations, and magnetic field or ionosphere disturbances." See geophysical MASINT for a more detailed di21 KB (3,064 words) - 05:12, 31 March 2024
- | conference = 2006 International Conference on Megagauss Magnetic Field Generation and Related20 KB (3,072 words) - 10:33, 18 March 2024
- ...etotactic bacteria]] that allow them to sense and align themselves along a magnetic field (magnetotaxis). The ecological role of magnetotaxis is unknown but is it hy22 KB (3,296 words) - 09:37, 6 March 2024
- ...alled "''The Investigation of the State of [[aether theories|Aether]] in [[magnetic field|Magnetic Fields]]''", was written contemporaneously. Albert remained behind69 KB (10,580 words) - 15:14, 4 April 2024