Asked by: Osmel Faroleiro
science physics

How are the magnetic domains arranged in a magnetic material?

A magnetic domain is region in whichthemagnetic fields of atoms are grouped together andaligned.But, when the metal became magnetized, which is whathappens whenit is rubbed with a strong magnet, all likemagneticpoles lined up and pointed in the same direction.The metal becamea magnet.

Also asked, how are magnetic domains arranged differently in a magnetized material?

This means they build little domains whereacluster of atoms all have their magnetic field in thesamedirection. If the material is not magnetized, allthedomains will point in different directions. Butyoucan magnetize the material and have alldomainsarranged in the same direction.

Similarly, what is the magnetic domain theory? The domain theory states that insideamagnet there are small regions in which themagneticdirection of all the atoms are aligned in the samedirections.These regions are known as domains. Within adomain,the aligment of the magnetic direction isthesame.

In this way, how are atoms arranged in a magnetic material?

For a macroscopic object made of atoms to beamagnet, the atoms' magnetic fields in ithaveto align with each other. This gives an overall verylargemagnetic field. However, a pencil's atomsarearranged in such a way that their north andsouthmagnetic poles are lined up randomly, also shown inFigureBEM.1.

What are the 4 magnetic materials?

Magnetic Raw Materials The five types are, alnico, ferrite, flexible rubberandthe rare earth magnets samarium cobaltandneodymium.

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What makes a magnet magnetic?

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How is iron magnetic?

Iron is magnetic in its α form.Theα form occurs below a special temperature called theCuriepoint, which is 770 °C. Iron is paramagnetic abovethistemperature and only weakly attracted to a magneticfield.Magnetic materials consist of atoms withpartially-filledelectron shells.

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How do you use magnetic in a sentence?

magnet Sentence Examples
  1. You're like a magnet lately.
  2. Sticking it to the refrigerator with a magnet, she headedforthe barn.
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What do the magnetic properties of a material depend on?

What do the magnetic properties of a materialdependon? The magnetic properties depend on thestructure ofits atoms. * T/F The outer region of an atom has tinyparticlescalled protons, which carry a negativecharge.

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How are ferromagnetic materials magnetic?

Ferromagnetic materials have someunpairedelectrons so their atoms have a net magnetic moment.Theyget their strong magnetic properties due to the presenceofmagnetic domains. In these domains, large numbers ofatom'smoments (1012 to 1015) are alignedparallelso that the magnetic force within the domainisstrong.

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Why are magnetic domains important?

Why domains form
The reason a piece of magnetic material suchasiron spontaneously divides into separate domains,ratherthan exist in a state with magnetization in the samedirectionthroughout the material, is to minimize itsinternalenergy.

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Which element is the most magnetic?

Most Magnetic Ever
The iron and nitrogen compound proved 18 percentmoremagnetic than iron cobalt in tests done by JianpingWang, aphysicist at the University ofMinnesota.

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Are atoms magnetic?

The answer to this question is yes and no. Alltheelectrons do produce a magnetic field as they spin andorbitthe nucleus; however, in some atoms, two electronsspinningand orbiting in opposite directions pair up and thenetmagnetic moment of the atom is zero.

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What is retentivity and coercivity?

Coercivity is the intensity of theappliedmagnetic field required to reduce the magnetization of agivenmaterial to zero. In other words to coerce the materialtosurrender its magnetism. Retentivity is the capacity ofanobject to retain magnetism after the action of themagnetizingforce has ceased.

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Do electrons have poles?

Electrons are teeny tiny magnets. Theyhavea north and a south pole, too, and spin aroundan axis. Thisspinning results in a very tiny but extremelysignificant magneticfield. Every electron has one of twopossible orientationsfor its axis.

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What determines if a material is magnetic or not?

If most of the poles are aligned in thesamedirection, the material is magnetic. The factorsthatdetermine the way a material responds toamagnetic field are the alignment of electrons in theatom,of the atoms in a molecule or alloy, and the domains withinthematerial. Typically, all magnets aresolidmetals.

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What is meant by ferromagnetic material?

Ferromagnetic materials, such as iron,containunpaired electrons, each with a small magnetic field of itsown,that align readily with each other in response to anexternalmagnetic field. This alignment tends to persists even afterthemagnetic field is removed, a phenomenoncalledhysteresis.

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What is meant by magnetic saturation?

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How is Earth like a magnet?

The Earth behaves like a magnet becausetheEarth is a magnet. It is not apermanentmagnet, but an electromagnet. We now understandwhy. Deep inthe Earth, molten metal (mostly iron) flows dueto heatwhich causes convection.

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What happens if you cut a magnet in half?

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What is theory of magnetism?

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What does the direction of the magnetic field depend on?

If the conductor is a wire, however, themagneticfield always takes the form of concentric circlesarranged atright angles to the wire. The magnetic field isstrongest inthe area closest to the wire, and its directiondepends uponthe direction of the current that producesthe field,as illustrated in this applet.