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When the relative permeability of a material is slightly less than 1, it is called a-
- a)Diamagnetic Material
- b)Paramagnetic Material
- c)Ferro Magnetic Material
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
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When the relative permeability of a material is slightly less than 1,...
In electromagnetism, the magnetic permeability of a material is a measure of the capability of the material to support the formation of a magnetic field within the material in response to an external magnetic field. In general, the permeability of a material depends on several factors such as the temperature, magnetic field strength, humidity and the frequency of the magnetic field. The permeability of a material is usually denoted by the symbol µ and is equal to the ratio of the magnetic flux density to the magnetic field strength. It can be expressed as µ = B/H.
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Hence, the correct option is (A)
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When the relative permeability of a material is slightly less than 1,...
Diamagnetic Material:
- A material is said to be diamagnetic when its relative permeability is slightly less than 1.
- Diamagnetic materials have no permanent magnetic moment and do not retain any magnetic properties when the external magnetic field is removed.
- They exhibit a weak repulsion when placed in a magnetic field, which is opposite to the direction of the applied magnetic field.
- Diamagnetic materials are generally non-magnetic and do not attract or repel other magnets strongly.
- Examples of diamagnetic materials include copper, silver, gold, water, and most organic compounds.
Paramagnetic Material:
- Paramagnetic materials are those materials whose relative permeability is slightly greater than 1.
- They have unpaired electrons in their atoms, which gives rise to a small magnetic moment in the presence of an external magnetic field.
- When placed in a magnetic field, paramagnetic materials are weakly attracted towards the region of higher magnetic field intensity.
- The attraction is not as strong as in ferromagnetic materials.
- Paramagnetic materials do not retain their magnetic properties when the external magnetic field is removed.
- Examples of paramagnetic materials include aluminum, platinum, oxygen, and some transition metals.
Ferromagnetic Material:
- Ferromagnetic materials have a relative permeability much greater than 1.
- They possess spontaneous magnetization, meaning they can retain their magnetic properties even in the absence of an external magnetic field.
- Ferromagnetic materials are strongly attracted towards the region of higher magnetic field intensity.
- They can also be magnetized to a much higher degree than paramagnetic and diamagnetic materials.
- Examples of ferromagnetic materials include iron, nickel, cobalt, and their alloys.
Conclusion:
Based on the above explanations, when the relative permeability of a material is slightly less than 1, it is called a diamagnetic material. Diamagnetic materials exhibit weak repulsion when placed in a magnetic field and do not retain any magnetic properties when the external magnetic field is removed. Examples of diamagnetic materials include copper, silver, gold, water, and most organic compounds.
- A material is said to be diamagnetic when its relative permeability is slightly less than 1.
- Diamagnetic materials have no permanent magnetic moment and do not retain any magnetic properties when the external magnetic field is removed.
- They exhibit a weak repulsion when placed in a magnetic field, which is opposite to the direction of the applied magnetic field.
- Diamagnetic materials are generally non-magnetic and do not attract or repel other magnets strongly.
- Examples of diamagnetic materials include copper, silver, gold, water, and most organic compounds.
Paramagnetic Material:
- Paramagnetic materials are those materials whose relative permeability is slightly greater than 1.
- They have unpaired electrons in their atoms, which gives rise to a small magnetic moment in the presence of an external magnetic field.
- When placed in a magnetic field, paramagnetic materials are weakly attracted towards the region of higher magnetic field intensity.
- The attraction is not as strong as in ferromagnetic materials.
- Paramagnetic materials do not retain their magnetic properties when the external magnetic field is removed.
- Examples of paramagnetic materials include aluminum, platinum, oxygen, and some transition metals.
Ferromagnetic Material:
- Ferromagnetic materials have a relative permeability much greater than 1.
- They possess spontaneous magnetization, meaning they can retain their magnetic properties even in the absence of an external magnetic field.
- Ferromagnetic materials are strongly attracted towards the region of higher magnetic field intensity.
- They can also be magnetized to a much higher degree than paramagnetic and diamagnetic materials.
- Examples of ferromagnetic materials include iron, nickel, cobalt, and their alloys.
Conclusion:
Based on the above explanations, when the relative permeability of a material is slightly less than 1, it is called a diamagnetic material. Diamagnetic materials exhibit weak repulsion when placed in a magnetic field and do not retain any magnetic properties when the external magnetic field is removed. Examples of diamagnetic materials include copper, silver, gold, water, and most organic compounds.
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When the relative permeability of a material is slightly less than 1, it is called a-a)Diamagnetic Materialb)Paramagnetic Materialc)Ferro Magnetic Materiald)None of the aboveCorrect answer is option 'A'. Can you explain this answer?
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