bar magnet definition

googletag.pubads().disableInitialLoad(); 'cap': true { bidder: 'sovrn', params: { tagid: '346693' }}, window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date; $50.99 New. pbjs.que.push(function() { { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, bar magnet - a magnet in the form of a bar with magnetic poles at each end magnet - (physics) a device that attracts iron and produces a magnetic field Based on WordNet 3.0, Farlex clipart collection. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, iasLog("criterion : cdo_ptl = entry-lcp"); Magnet, any material capable of attracting iron and producing a magnetic field outside itself. {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, initAdSlotRefresher(); iasLog("exclusion label : resp"); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, var mapping_rightslot = googletag.sizeMapping().addSize([746, 0], [[300, 250]]).addSize([0, 0], []).build(); "login": { var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build(); iasLog("criterion : cdo_pt = entry"); { bidder: 'appnexus', params: { placementId: '11654156' }}, },{ { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, dfpSlots['btmslot_a'] = googletag.defineSlot('/2863368/btmslot', [[300, 250], 'fluid'], 'ad_btmslot_a').defineSizeMapping(mapping_btmslot_a).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').addService(googletag.pubads()); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, Bar magnet definition is - a magnet in the shape of a bar with poles at its ends. How to use magnet in a sentence. Definition of bar magnet in the Definitions.net dictionary. The magnetic field is strongest at the poles, where the field lines are most concentrated. {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, Information and translations of bar magnet in the most comprehensive dictionary definitions resource on the web. var mapping_houseslot_a = googletag.sizeMapping().addSize([963, 0], [300, 250]).addSize([0, 0], []).build(); 4.4 out of 5 stars 77. All Free. { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, googletag.cmd.push(function() { { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, dfpSlots['topslot_a'] = googletag.defineSlot('/2863368/topslot', [], 'ad_topslot_a').defineSizeMapping(mapping_topslot_a).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'center').addService(googletag.pubads()); name: "pubCommonId", }] { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, You can also find related words, phrases, and synonyms in the topics: showing that you know what you want to do, Pompous and patronizing (Describing character, part 5), Clear explanations of natural written and spoken English. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, Back before neodymium magnets were invented (in the 1980s), ceramic and Alnico magnets were often made in shapes that were long in the magnetization direction. bar magnet: 1 n a magnet in the form of a bar with magnetic poles at each end Type of: magnet (physics) a device that attracts iron and produces a magnetic field {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, Below you will find example usage of this term as found in modern and/or classical literature: 1. 'max': 36, 'max': 30, }; type: "html5", "sign-up": "https://dictionary.cambridge.org/us/auth/signup?rid=READER_ID", It is usually made of iron or steel, but it can also be made of any ferromagnetic substance or a ferromagnetic composite. gdpr: { A magneto is an electrical generator that uses permanent magnets to produce periodic pulses of alternating current.Unlike a dynamo, a magneto does not contain a commutator to produce direct current.It is categorized as a form of alternator, although it is usually considered distinct from most other alternators, which use field coils rather than permanent magnets. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, googletag.pubads().collapseEmptyDivs(false); us / ˈbɑːr ˌmæɡ.nət / uk / ˈbɑː ˌmæɡ.nət / a magnet in the shape of a bar whose magnetic force is strongest at its poles (= ends), one end attracting iron and steel objects and the other end pushing them away: If you hang a bar magnet from a piece of string, its … The most familiar example of magnetism is a bar magnet, which is attracted to a magnetic field and can attract or repel other magnets. { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, A bar magnet has two magnetic poles: north pole (or north-seeking pole) iasLog("__tcfapi useractioncomplete or tcloaded ", tcData, success); An electromagnet built in a cylindrical configuration to accommodate a patient in its core, for magnetic resonance imaging. NOTE: Actual product may vary from the one pictured due to differences in suppliers. googletag.pubads().setTargeting('cdo_alc_pr', pl_p.split(",")); timeout: 8000, 'min': 31, { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, { bidder: 'appnexus', params: { placementId: '19042093' }}, dfpSlots['houseslot_b'] = googletag.defineSlot('/2863368/houseslot', [], 'ad_houseslot_b').defineSizeMapping(mapping_houseslot_b).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').setCategoryExclusion('house').addService(googletag.pubads()); bar magnet - WordReference English dictionary, questions, discussion and forums. 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. ga('create', 'UA-31379-3',{cookieDomain:'dictionary.cambridge.org',siteSpeedSampleRate: 10}); { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, The poles of two magnets repel or attract each other. 373-3. googletag.pubads().set("page_url", "https://dictionary.cambridge.org/dictionary/english/bar-magnet"); { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, } }); They are used to scan the body, like in MRI (Magnetic Resonance Imaging) Alnico and Neodymium Bar Magnet Actually, Bar Magnet is usually of two types expires: 365 Accessed 29 Dec. 2020. Alnico bar magnets (made from an aluminum nickel cobalt alloy) work well for most magnetism science projects. Let us sprinkle iron filings on a sheet of paper and a bar magnet in between. Magnetic things outside the magnetic field are not attracted to the magnet. }, storage: { Build a city of skyscrapers—one synonym at a time. The Relationship Between Electricity and Magnetism. Meaning of bar magnet. googletag.pubads().setTargeting("cdo_t", "science"); iasLog("exclusion label : lcp"); {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, var pbTabletSlots = [ { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, Please tell us where you read or heard it (including the quote, if possible). { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, { bidder: 'appnexus', params: { placementId: '11654157' }}, Different poles attract each other. 99. Click on the arrows to change the translation direction. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, }); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, "sign-in": "https://dictionary.cambridge.org/us/auth/signin?rid=READER_ID", Most people chose this as the best definition of bar-magnet: A magnet of rectangular s... See the dictionary meaning, pronunciation, and sentence examples. bidderSequence: "fixed" By the end of the 19th century all the known elements and many compounds had been tested for magnetism, and all were found to have some magnetic property.The most common was the property of diamagnetism, the name given to materials exhibiting a weak repulsion by both poles of a magnet. "authorization": "https://dictionary.cambridge.org/us/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=&v1=&v2=&v3=&v4=english&_=RANDOM", { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; googletag.pubads().setTargeting("cdo_l", "en-us"); The magnetic flux density (also called magnetic B field or just magnetic field, usually denoted B) is a vector field. The key difference between bar magnet and electromagnet is that the bar magnet has a permanent magnetic field whereas the electromagnet has a temporary magnetic field. var googletag = googletag || {}; enableSendAllBids: false, name: "identityLink", } A bar magnet with magnetic dipole moment 0.55 A*m^{2} lies on the negative x axis. CMS Magnetics NB0270-52NM Neodymium Rare Earth Block Magnet 2 x 2" - Silver. { bidder: 'ix', params: { siteId: '195467', size: [300, 50] }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, { bidder: 'sovrn', params: { tagid: '346698' }}, {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50], [320, 100]] } }, {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/2863368/leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600]] } }, }, { bidder: 'sovrn', params: { tagid: '387232' }}, params: { Strong Neodymium Bar Magnets with Double-Sided Adhesive, Rare-Earth Metal Neodymium Magnet - 60 x 10 x 3 mm, Pack of 6 4.3 out of 5 stars 980 $10.99 $ 10 . { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; }; { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, var pbDesktopSlots = [ "authorizationFallbackResponse": { bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, userSync: { What made you want to look up bar magnet? userIds: [{ Delivered to your inbox! iasLog("__tcfapi removeEventListener", success); { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, 3. {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, We do still define this as the Thickness, though. googletag.cmd.push(function() { { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, { bidder: 'appnexus', params: { placementId: '11653860' }}, iasLog("criterion : cdo_tc = resp"); iasLog("criterion : sfr = cdo_dict_english"); Yes, we do have some long "bar" magnets, where the magnetization is in the longest dimension. pbjsCfg.consentManagement = { 'max': 8, },{ googletag.pubads().setTargeting("cdo_dc", "english"); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, Bar magnet definition: a bar-shaped, usually permanent , magnet | Meaning, pronunciation, translations and examples { bidder: 'sovrn', params: { tagid: '387233' }}, Ring magnets can be axially or diametrically magnetized. pbjs.setConfig(pbjsCfg); Between the bar magnet … { bidder: 'appnexus', params: { placementId: '11654174' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, $11.99 $ 11. pid: '94' { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, 'min': 0, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, A bar magnet is a rectangular object that has a magnetic field. Also, it can either attract or repel other magnets. Can you spell these 10 commonly misspelled words? Rings. Get it as soon as Wed, Dec 9. } This type of magnet is almost always permanent, meaning that it will retain its magnetic field for a significant period of time without the use of a supplied electric current. if(refreshConfig.enabled == true) partner: "uarus31" { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, googletag.pubads().setTargeting("cdo_c", ["science_geographic_locales"]); { bidder: 'sovrn', params: { tagid: '346698' }}, 'Nip it in the butt' or 'Nip it in the bud'? b: a body having the property of attracting iron and producing a magnetic field external to itself specifically: a mass of iron, steel, or alloy that has this property artificially imparted var mapping_leftslot = googletag.sizeMapping().addSize([1063, 0], [[120, 600], [160, 600], [300, 600]]).addSize([963, 0], [[120, 600], [160, 600]]).addSize([0, 0], []).build(); window.__tcfapi('removeEventListener', 2, function(success){ Literary usage of Bar magnet. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, { bidder: 'appnexus', params: { placementId: '11654174' }}, { bidder: 'ix', params: { siteId: '195451', size: [320, 50] }}, }], type: "html5", { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, 'increment': 0.01, Magnetized Through Thickness Examples include B882 and B828. { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, A bar magnet is a rectangular piece of an object, made up of iron, steel or any other ferromagnetic substance or ferromagnetic composite, that shows permanent magnetic properties. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, var dfpSlots = {}; A bar magnet is a permanent magnet. A magnet is a rock or a piece of metal that can pull certain types of metal toward itself. googletag.pubads().setCategoryExclusion('lcp').setCategoryExclusion('resp').setCategoryExclusion('wprod'); priceGranularity: customGranularity, Magnetic Field Lines. },{ 'increment': 0.5, name: "idl_env", { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, A compass is located at the origin. The magnetic B field vector at a given point in space is specified by two properties: }, iasLog("criterion : cdo_ei = bar-magnet"); params: { var mapping_houseslot_b = googletag.sizeMapping().addSize([963, 0], []).addSize([0, 0], [300, 250]).build(); { bidder: 'ix', params: { siteId: '195464', size: [300, 600] }}, // FIXME: (temporary) - send ad requests only if PlusPopup is not shown } { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, Free Printable Magnet Word Games. What makes for a quality science curriculum? Magnet definition is - lodestone. iasLog("criterion : cdo_pc = dictionary"); 'cap': true { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, This is why a magnet must be close to an object to attract it. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, "error": true, { bidder: 'sovrn', params: { tagid: '346693' }}, Strongest and Weakest Parts of a Magnet. pbjs.que = pbjs.que || []; "sign-out": "https://dictionary.cambridge.org/us/auth/signout?rid=READER_ID" 1. a magnet in the form of a bar with magnetic poles at each end Familiarity information: BAR MAGNET used as a noun is very rare. }, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, { bidder: 'sovrn', params: { tagid: '705055' }}, { bidder: 'appnexus', params: { placementId: '11654208' }}, Meaning of bar magnet. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; 16pcs Strong Neodymium RARE Earth Bar Magnets With Adhesive Backing Powerful. Let us understand the concept of magnetic field lines using the activity described below. { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, const customGranularity = { More than 250,000 words that aren't in our free dictionary, Expanded definitions, etymologies, and usage notes. ga('set', 'dimension2', "entry"); { bidder: 'appnexus', params: { placementId: '11654157' }}, {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, Information and translations of bar magnet in the most comprehensive dictionary definitions resource on the web. {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, 'buckets': [{ { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, { bidder: 'sovrn', params: { tagid: '446382' }}, defaultGdprScope: true $18.99 New. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, type: "cookie", A Course in Electrical Engineering by Chester Laurens Dawes (1920) "If an ordinary bar magnet be broken at the middle, or at various points, ... Effect of breaking a bar magnet. window.__tcfapi('addEventListener', 2, function(tcData, success) { if(pl_p) { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, Magnetic north is in the negative z direction. { bidder: 'sovrn', params: { tagid: '387233' }}, 'min': 8.50, A bar magnet suspended in Earth’s magnetic field orients itself in a north–south direction. But, it can produce a force that pulls on other ferromagnetic materials such as iron. { { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, ga('send', 'pageview'); Add bar magnet to one of your lists below, or create a new one. Where is the magnetic force of a bar magnet the strongest? Browse our dictionary apps today and ensure you are never again lost for words. { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; $23.99 New. } "authorizationTimeout": 10000 {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'appnexus', params: { placementId: '11654156' }}, { { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, cmpApi: 'iab', The north-seeking pole of such a magnet, or any similar pole, is called a north magnetic pole. googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, 'cap': true dfpSlots['leftslot'] = googletag.defineSlot('/2863368/leftslot', [[120, 600], [160, 600]], 'ad_leftslot').defineSizeMapping(mapping_leftslot).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'left').addService(googletag.pubads()); 'All Intensive Purposes' or 'All Intents and Purposes'? { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, if(!isPlusPopupShown()) Like a compass needle repulsed by a bar magnet , the large external field repels the frogs' small field sufficiently to counteract gravity. { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, A bar magnet will attract all ferromagnetic materials such as iron, nickel, and cobalt. { bidder: 'appnexus', params: { placementId: '11654149' }}, { bidder: 'ix', params: { siteId: '195467', size: [320, 50] }}, { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, 'cap': true googletag.pubads().setTargeting("cdo_tc", "resp"); var pbAdUnits = getPrebidSlots(curResolution); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, Test Your Knowledge - and learn some interesting things along the way. { bidder: 'appnexus', params: { placementId: '19042093' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, { bidder: 'appnexus', params: { placementId: '11653860' }}, Two 3" medium-strength Alnico I bar magnets with ends marked North and South. { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, storage: { iasLog("criterion : cdo_l = en-us"); The magnetic field pattern when two magnets are used is shown in this diagram. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, { bidder: 'sovrn', params: { tagid: '446382' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, pbjsCfg = { { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, In suppliers its ends to change the translation direction of nature, like electricity and.... 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