Question
The substances which are attracted by the magnetic field are
The correct answer is
Ferromagnetic
Concept:
- Diamagnetic materials are those that acquire weak magnetism when placed in a magnetic field, which is opposite to the direction of the magnetic field. Examples - Bismuth, Copper, Zinc, Silver, Gold, Diamond, Mercury, etc.
- Paramagnetic materials are those that acquire weak magnetism when placed in the direction of the magnetic field. Examples include Aluminum, Manganese, Platinum, etc.
- Ferromagnetic materials are those that acquire strong magnetism when placed in a magnetic field, which is in the same direction as the field. Examples include Iron, Cobalt, Nickel, etc.
- Ferrimagnetic materials: This effect is observed when the magnetic moments of domains in the material are aligned in parallel and in unequal numbers in a non-parallel manner. Ferrimagnetic materials are weakly attracted by the magnetic field compared to ferromagnetic materials. Examples: NiFe2O4, CoFe2O4, Fe3O4 (or FeO.Fe2O3), CuFe2O4, etc.
Explanation:
- Ferromagnetic metals are strongly attracted by a magnetic force.
- Common ferromagnetic metals include Iron, Nickel, Cobalt, and alloys such as alloys.
- Ferromagnetic metals are generally used to make permanent magnets.
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Important Questions from Magnetic Materials
Of the following, the most suitable for making permanent magnet is:
Magnetic Permeability of which substance is maximum ?
Permanent magnets are normally made of:
The dimension of ferromagnetic domains is in the order of
In ______ materials each atom has a relatively large dipole moment, caused primarily by uncompensated electron spin moment.
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