Paramagnetic & Ferromagnetic

In summary, paramagnetic materials have temporary magnetic moments that align with an external magnetic field, while ferromagnetic materials have permanent magnetic moments that are always aligned. Paramagnetic materials are weakly attracted to magnetic fields, while ferromagnetic materials are strongly attracted and can even become permanently magnetized. Some examples of paramagnetic materials are aluminum, copper, and oxygen gas, while ferromagnetic materials include iron, nickel, and cobalt. Paramagnetic materials can easily be demagnetized by removing the external magnetic field, while ferromagnetic materials can only be demagnetized by heating them above a certain temperature. These materials are used in everyday life in various applications such as MRI machines, sensors, electronic devices, motors, generators, hard drives
  • #1
Zinc
3
0
What is the difference between paramagnetic materials and their behaviour in magnetic fields?? Thanks a lot for the help...having a magnetism test 2 days from now:frown:
 
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  • #2
Have you searched on the internet for the information?
 
  • #3

Paramagnetic materials are substances that are weakly attracted to magnetic fields. This is due to the presence of unpaired electrons in their atoms, which can align with the external magnetic field. However, once the external field is removed, the material loses its magnetic properties.

On the other hand, ferromagnetic materials are strongly attracted to magnetic fields and can retain their magnetization even after the external field is removed. This is because ferromagnetic materials have a large number of unpaired electrons that can spontaneously align with each other, creating a strong magnetic field.

The main difference between paramagnetic and ferromagnetic materials is the strength of their response to magnetic fields. Paramagnetic materials have a weak response, while ferromagnetic materials have a much stronger response.

In terms of behavior in magnetic fields, paramagnetic materials will align with the external field, but their magnetization will be temporary. Ferromagnetic materials, on the other hand, will align with the external field and retain their magnetization even after the field is removed.

I hope this helps with your upcoming test! Remember to study and understand the properties and behavior of these materials in magnetic fields. Good luck!
 

1. What is the difference between paramagnetic and ferromagnetic materials?

Paramagnetic materials have individual atomic magnetic moments that align in the presence of an external magnetic field, but return to their random orientation when the field is removed. Ferromagnetic materials have a permanent magnetic moment that is aligned in a specific direction, even in the absence of an external field.

2. How do paramagnetic and ferromagnetic materials interact with magnetic fields?

Paramagnetic materials are weakly attracted to magnetic fields, while ferromagnetic materials are strongly attracted and can even become permanently magnetized.

3. What are some examples of paramagnetic and ferromagnetic materials?

Paramagnetic materials include aluminum, copper, and oxygen gas. Ferromagnetic materials include iron, nickel, and cobalt.

4. Can paramagnetic and ferromagnetic materials be demagnetized?

Paramagnetic materials can easily be demagnetized by removing the external magnetic field. Ferromagnetic materials, however, can only be demagnetized by heating them above a certain temperature.

5. How are paramagnetic and ferromagnetic materials used in everyday life?

Paramagnetic materials are used in MRI machines, sensors, and electronic devices. Ferromagnetic materials are used in motors, generators, hard drives, and speakers.

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