Question on magnets and induced magnetism

In summary, ferromagnetism is the strongest type of magnetism and is responsible for creating permanent magnets and the common phenomena of magnetism encountered in everyday life. When a magnet is placed near a ferromagnetic material, the magnetic dipoles inside the material align in a way that creates a noticeable attraction between the two. This phenomenon is important in industry and technology, as it is the basis for many electrical and electromechanical devices.
  • #1
connor02
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Homework Statement



I was just thinking, let's say I connect the north pole of 2 magnets to a ferromagnectic material on both ends, does the whole ferromagnetic material become a north pole? Drawing attached.

Homework Equations



Nil

The Attempt at a Solution



I think so.
 

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  • #2
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When a magnet is placed near a ferromagnetic material such as iron, the magnetic causes the magnetic dipoles inside the iron to align such that the "south" poles of the dipoles are faced towards the north pole of the magnet and the "north" poles are repulsed

Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets. In physics, several different types of magnetism are distinguished. Ferromagnetism (including ferrimagnetism) is the strongest type; it is the only type that creates forces strong enough to be felt, and is responsible for the common phenomena of magnetism encountered in everyday life. Other substances respond weakly to magnetic fields with two other types of magnetism, paramagnetism and diamagnetism, but the forces are so weak that they can only be detected by sensitive instruments in a laboratory. An everyday example of ferromagnetism is a refrigerator magnet used to hold notes on a refrigerator door. The attraction between a magnet and ferromagnetic material is "the quality of magnetism first apparent to the ancient world, and to us today".[1]

Permanent magnets (materials that can be magnetized by an external magnetic field and remain magnetized after the external field is removed) are either ferromagnetic or ferrimagnetic, as are other materials that are noticeably attracted to them. Only a few substances are ferromagnetic; the common ones are iron, nickel, cobalt and their alloys, some compounds of rare Earth metals, and a few naturally-occurring minerals such as lodestone.

Ferromagnetism is very important in industry and modern technology, and is the basis for many electrical and electromechanical devices such as electromagnets, electric motors, generators, transformers, and magnetic storage such as tape recorders, and hard disks.
 

FAQ: Question on magnets and induced magnetism

1. What is induced magnetism?

Induced magnetism is the creation of a magnetic field in a material that is normally non-magnetic, due to the presence of an external magnetic field or a changing electric field.

2. How does a magnet induce magnetism in other objects?

A magnet has a magnetic field that exerts a force on other magnetic materials, causing the atoms in those materials to align and create a magnetic field of their own.

3. What is the difference between induced magnetism and permanent magnetism?

Induced magnetism is temporary and can be created or removed, while permanent magnetism is a constant magnetic field that remains even without an external magnetic field.

4. Can any material be magnetized by induction?

No, only materials that contain iron, nickel, or cobalt can be easily magnetized by induction. Other materials may have a weak induced magnetism, but it is not as strong or long-lasting.

5. How is induced magnetism used in everyday life?

Induced magnetism is used in many everyday items, such as credit cards with magnetic strips, speakers, and electric motors. It is also used in medical imaging devices like MRI machines and in power generation and transmission.

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