Magnetism
Magnetism is a class of physical phenomena that are mediated by magnetic fields . Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets , producing magnetic fields themselves. Only a few substances are ferromagnetic; the most common ones are iron , nickel and cobalt and their alloys. The prefix ferro- refers to iron , because permanent magnetism was first observed in lodestone , a form of natural iron ore called magnetite , Fe 3 O 4 .
Page Revisions
| Year | Metadata | Sections | Top Words | First Paragraph |
| 2018 |
165791 characters 26 sections 64 paragraphs 19 images 337 internal links 34 external links |
5. Magnetism, electricity, and special relativity 6. Magnetic fields in a material |
magnetic 0.573 magnetism 0.262 electrons 0.202 field 0.191 ferromagnetic 0.167 moments 0.167 magnet 0.143 diamagnetic 0.126 paramagnetic 0.120 electron 0.113 tendency 0.106 ferromagnetism 0.099 lodestone 0.099 domains 0.099 monopoles 0.098 |
Magnetism is a class of physical phenomena that are mediated by magnetic fields . Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets , producing magnetic fields themselves. Only a few substances are ferromagnetic; the most common ones are iron , nickel and cobalt and their alloys. The prefix ferro- refers to iron , because permanent magnetism was first observed in lodestone , a form of natural iron ore called magnetite , Fe 3 O 4 . |
| 2017 |
206088 characters 26 sections 63 paragraphs 19 images 338 internal links 33 external links |
5. Magnetism, electricity, and special relativity 6. Magnetic fields in a material |
magnetic 0.554 magnetism 0.280 field 0.197 electrons 0.183 ferromagnetic 0.172 magnet 0.157 moments 0.143 diamagnetic 0.130 paramagnetic 0.123 electron 0.117 tendency 0.109 quantum 0.103 lodestone 0.102 domains 0.102 monopoles 0.101 |
Magnetism is a class of physical phenomena that are mediated by magnetic fields . Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets , producing magnetic fields themselves. Only a few substances are ferromagnetic; the most common ones are iron , nickel and cobalt and their alloys. The prefix ferro- refers to iron , because permanent magnetism was first observed in lodestone , a form of natural iron ore called magnetite , Fe 3 O 4 . |
| 2016 |
196402 characters 26 sections 62 paragraphs 18 images 341 internal links 33 external links |
5. Magnetism, electricity, and special relativity 6. Magnetic fields in a material |
magnetic 0.548 magnetism 0.288 field 0.184 ferromagnetic 0.177 electrons 0.171 magnet 0.162 moments 0.137 diamagnetic 0.134 paramagnetic 0.127 tendency 0.112 electron 0.111 quantum 0.106 lodestone 0.105 domains 0.105 monopoles 0.104 |
Magnetism is a class of physical phenomena that are mediated by magnetic fields . Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets , producing magnetic fields themselves. Only a few substances are ferromagnetic; the most common ones are iron , nickel and cobalt and their alloys. The prefix ferro- refers to iron , because permanent magnetism was first observed in lodestone , a form of natural iron ore called magnetite , Fe 3 O 4 . |
| 2015 |
180955 characters 26 sections 59 paragraphs 16 images 317 internal links 28 external links |
5. Magnetism, electricity, and special relativity 6. Magnetic fields in a material |
magnetic 0.552 magnetism 0.278 electrons 0.185 field 0.182 moments 0.170 ferromagnetic 0.132 magnet 0.123 tendency 0.121 electron 0.120 quantum 0.114 domains 0.114 diamagnetic 0.112 monopoles 0.112 paramagnetic 0.103 intrinsic 0.098 |
Magnetism is a class of physical phenomena that are mediated by magnetic fields . Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. Every material is influenced to some extent by a magnetic field. The most familiar effect is on permanent magnets , which have persistent magnetic moments caused by ferromagnetism . Most materials do not have permanent moments. Some are attracted to a magnetic field ( paramagnetism ); others are repulsed by a magnetic field ( diamagnetism ); others have a more complex relationship with an applied magnetic field ( spin glass behavior and antiferromagnetism ). Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. These include copper , aluminium , gases , and plastic . Pure oxygen exhibits magnetic properties when cooled to a liquid state. |
| 2014 |
178026 characters 26 sections 59 paragraphs 15 images 307 internal links 19 external links |
4. Magnetism, electricity, and special relativity 5. Magnetic fields in a material |
magnetic 0.548 magnetism 0.279 electrons 0.186 field 0.183 moments 0.160 ferromagnetic 0.133 magnet 0.124 tendency 0.122 electron 0.121 quantum 0.115 domains 0.114 diamagnetic 0.113 monopoles 0.113 paramagnetic 0.103 intrinsic 0.098 |
Magnetism is a class of physical phenomena that are mediated by magnetic fields . Electric currents and the fundamental magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. All materials are influenced to some extent by a magnetic field. The most familiar effect is on permanent magnets , which have persistent magnetic moments caused by ferromagnetism . Most materials do not have permanent moments. Some are attracted to a magnetic field ( paramagnetism ); others are repulsed by a magnetic field ( diamagnetism ); others have a much more complex relationship with an applied magnetic field ( spin glass behavior and antiferromagnetism ). Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They include copper , aluminium , gases , and plastic . Pure oxygen exhibits magnetic properties when cooled to a liquid state. |
| 2013 |
176363 characters 26 sections 56 paragraphs 13 images 304 internal links 20 external links |
4. Magnetism, electricity, and special relativity 5. Magnetic fields in a material |
magnetic 0.542 magnetism 0.271 electrons 0.188 field 0.177 moments 0.151 ferromagnetic 0.149 magnet 0.136 tendency 0.123 electron 0.122 quantum 0.116 domains 0.115 diamagnetic 0.114 monopoles 0.114 magnets 0.113 paramagnetic 0.104 |
Magnetism is a class of physical phenomena that includes forces exerted by magnets on other magnets. It has its origin in electric currents and the fundamental magnetic moments of elementary particles. These give rise to a magnetic field that acts on other currents and moments. All materials are influenced to some extent by a magnetic field. The strongest effect is on permanent magnets, which have persistent magnetic moments caused by ferromagnetism . Most materials do not have permanent moments. Some are attracted to a magnetic field ( paramagnetism ); others are repulsed by a magnetic field ( diamagnetism ); others have a much more complex relationship with an applied magnetic field ( spin glass behavior and antiferromagnetism ). Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They include copper , aluminium , gases , and plastic . Pure oxygen exhibits magnetic properties when cooled to a liquid state. |
| 2012 |
177044 characters 26 sections 61 paragraphs 12 images 310 internal links 19 external links |
4. Magnetism, electricity, and special relativity 5. Magnetic fields in a material 6. Force due to magnetic field - The magnetic force |
magnetic 0.557 magnetism 0.283 electrons 0.208 field 0.171 ferromagnetic 0.144 moments 0.135 tendency 0.131 electron 0.127 magnet 0.121 quantum 0.112 domains 0.111 diamagnetic 0.110 monopoles 0.110 intrinsic 0.106 paramagnetic 0.101 |
Magnetism is a property of materials that respond to an applied magnetic field . Magnets attract and repel. Permanent magnets have persistent magnetic fields caused by ferromagnetism . That is the strongest and most familiar type of magnetism. However, all materials are influenced varyingly by the presence of a magnetic field. Some are attracted to a magnetic field ( paramagnetism ); others are repulsed by a magnetic field ( diamagnetism ); others have a much more complex relationship with an applied magnetic field ( spin glass behavior and antiferromagnetism ). Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They include copper , aluminium , gases , and plastic . Pure oxygen exhibits magnetic properties when cooled to a liquid state. |
| 2011 |
174534 characters 26 sections 60 paragraphs 10 images 304 internal links 19 external links |
4. Magnetism, electricity, and special relativity 5. Magnetic fields in a material 6. Force due to magnetic field - The magnetic force |
magnetic 0.556 magnetism 0.285 electrons 0.210 field 0.172 ferromagnetic 0.145 moments 0.136 electron 0.128 magnet 0.122 tendency 0.120 quantum 0.113 domains 0.112 diamagnetic 0.111 monopoles 0.111 intrinsic 0.107 paramagnetic 0.101 |
Magnetism is a property of materials that respond at an atomic or subatomic level to an applied magnetic field . Ferromagnetism is the strongest and most familiar type of magnetism. It is responsible for the behavior of permanent magnets , which produce their own persistent magnetic fields, as well as the materials that are attracted to them. However, all materials are influenced to a greater or lesser degree by the presence of a magnetic field. Some are attracted to a magnetic field ( paramagnetism ); others are repulsed by a magnetic field ( diamagnetism ); others have a much more complex relationship with an applied magnetic field ( spin glass behavior and antiferromagnetism ). Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They include copper , aluminium , gases , and plastic . |
| 2010 |
124853 characters 24 sections 55 paragraphs 10 images 306 internal links 20 external links |
4. Magnetism, electricity, and special relativity |
magnetic 0.544 magnetism 0.302 electrons 0.215 field 0.163 ferromagnetic 0.163 moments 0.139 electron 0.131 tendency 0.122 quantum 0.115 domains 0.114 magnet 0.114 diamagnetic 0.113 monopoles 0.113 intrinsic 0.109 paramagnetic 0.104 |
Magnetism is a property of materials that respond at an atomic or subatomic level to an applied magnetic field . For example, the most well known form of magnetism is ferromagnetism such that some ferromagnetic materials produce their own persistent magnetic field . However, all materials are influenced to a greater or lesser degree by the presence of a magnetic field. Some are attracted to a magnetic field ( paramagnetism ); others are repulsed by a magnetic field ( diamagnetism ); others have a much more complex relationship with an applied magnetic field. Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They include copper , aluminium , gases , and plastic . |
| 2009 |
121398 characters 21 sections 54 paragraphs 9 images 301 internal links 17 external links |
4. Magnetism, electricity, and special relativity |
magnetic 0.562 magnetism 0.283 electrons 0.208 field 0.178 ferromagnetic 0.158 moments 0.145 magnet 0.131 electron 0.127 dipole 0.122 tendency 0.119 quantum 0.112 domains 0.111 diamagnetic 0.110 monopoles 0.110 intrinsic 0.106 |
The term magnetism is used to describe how materials respond on the microscopic level to an applied magnetic field ; to categorize the magnetic phase of a material. For example, the most well known form of magnetism is ferromagnetism such that some ferromagnetic materials produce their own persistent magnetic field . However, all materials are influenced to greater or lesser degree by the presence of a magnetic field. Some are attracted to a magnetic field ( paramagnetism ); others are repulsed by a magnetic field ( diamagnetism ); others have a much more complex relationship with an applied magnetic field. Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They include copper , aluminium , water , and gases . |
| 2008 |
70029 characters 14 sections 26 paragraphs 3 images 193 internal links 16 external links |
magnetic 0.526 magnetism 0.293 magnet 0.220 field 0.207 dipole 0.188 monopoles 0.185 compass 0.169 electricity 0.154 quantum 0.132 charge 0.125 pole 0.123 magnets 0.122 relativity 0.111 electron 0.107 displaystyle 0.101 |
Template:Electromagnetism3 In physics , magnetism is one of the phenomena by which materials exert attractive or repulsive forces on other materials. Some well-known materials that exhibit easily detectable magnetic properties (called magnets ) are nickel , iron , cobalt , and their alloys ; however, all materials are influenced to greater or lesser degree by the presence of a magnetic field . |
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| 2007 |
63020 characters 13 sections 23 paragraphs 3 images 173 internal links 9 external links |
magnetic 0.482 magnetism 0.341 field 0.219 dipole 0.206 monopoles 0.203 electricity 0.185 magnet 0.148 quantum 0.144 charge 0.137 relativity 0.122 compass 0.116 magnets 0.111 displaystyle 0.110 electric 0.109 force 0.108 |
Template:Electromagnetism3 In physics , magnetism is one of the phenomena by which materials exert attractive or repulsive forces on other materials . Some well known materials that exhibit easily detectable magnetic properties (called magnets ) are nickel , iron , cobalt , and their alloys ; however, all materials are influenced to greater or lesser degree by the presence of a magnetic field . |
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| 2006 |
76325 characters 25 sections 34 paragraphs 4 images 250 internal links 9 external links |
magnetic 0.529 magnets 0.467 electrons 0.194 field 0.147 cobalt 0.116 magnet 0.115 magnetism 0.109 materials 0.098 strength 0.092 electron 0.091 monopoles 0.090 moments 0.089 dipole 0.087 force 0.084 motion 0.083 |
In physics , magnetism is one of the phenomena by which materials exert an attractive or repulsive force on other materials. Some well known materials that exhibit easily detectable magnetic properties are iron , some steels , and the mineral lodestone ; however, all materials are influenced to greater or lesser degree by the presence of a magnetic field . |
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| 2005 |
55722 characters 25 sections 29 paragraphs 2 images 140 internal links 4 external links |
magnetic 0.501 magnets 0.426 electrons 0.223 cobalt 0.143 monopoles 0.138 materials 0.121 field 0.119 strength 0.114 electron 0.112 moments 0.110 dipole 0.107 magnet 0.106 quantum 0.098 magnetism 0.096 spins 0.093 |
In physics , magnetism is one of the phenomena by which materials exert an attractive or repulsive force on other materials. |
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| 2004 |
26800 characters 19 sections 24 paragraphs 0 images 78 internal links 0 external links |
magnetic 0.496 magnets 0.435 electrons 0.223 cobalt 0.154 monopoles 0.149 strength 0.123 moments 0.118 magnet 0.114 field 0.113 magnetism 0.103 electron 0.103 wire 0.099 materials 0.095 loop 0.089 dirac 0.089 |
In physics , magnetism is a phenomenon by which materials exert an attractive or repulsive force on other materials. Some well known materials that exhibit easily detectable magnetic properties are iron , some steels , and the mineral lodestone ; however, all materials are influenced to one degree or another by the presence of a magnetic field , although in most cases the influence is too small to detect without special equipment. |
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| 2003 |
8633 characters 4 sections 8 paragraphs 0 images 40 internal links 2 external links |
magnetic 0.583 moments 0.310 spins 0.225 electron 0.194 moment 0.183 loop 0.161 hand 0.140 wire 0.134 dipole 0.130 fingers 0.119 electrons 0.116 cancel 0.110 directed 0.106 charged 0.106 thumb 0.105 |
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| 2002 |
5057 characters 1 sections 7 paragraphs 0 images 21 internal links 0 external links |
magnetic 0.579 moments 0.336 electron 0.210 moment 0.198 loop 0.175 hand 0.152 wire 0.146 dipole 0.141 fingers 0.129 field 0.128 electrons 0.126 cancel 0.119 directed 0.114 charged 0.114 thumb 0.114 |
In physics , magnetism is a phenomenon by which materials exert an attractive or repulsive force on other materials. Magnetism arises whenever electrically charged particles are in motion. Some well known materials that exhibit magnetic properties are iron , some steels, and the mineral lodestone . All materials are influenced to one degree or another by the presence of a magnetic field , although in some cases the influence is too small to detect without special equipment. |
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| 2001 |
5083 characters 0 sections 18 paragraphs 0 images 14 internal links 0 external links |
magnetic 0.544 moments 0.361 electron 0.276 moment 0.186 dipole 0.177 loop 0.164 wire 0.137 forces 0.136 spin 0.135 direction 0.128 fingers 0.121 electrons 0.118 hand 0.114 cancel 0.112 directed 0.108 |
Magnetism is a phenomenon by which materials assert an attractive or repulsive force on other materials. Some well known materials that exhibit magnetic properties are iron , some steels, and the naturally occurring mineral lodestone . In reality all materials are influenced to one degree or another by the presence of a magnetic field, although in some cases the influence is too small to detect without special equipment. |