define paramagnetic ?
Answers
Explanation:
of a substance or body) very weakly attracted by the poles of a magnet, but not retaining any permanent magnetism.
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➦The Paramagnetism is one of the properties of magnetism. It is a category of magnetism in which materials get weakly attracted by an externally applied magnetic field, and form internal or induced magnetic fields in the direction of the magnetic field applied.
➦The Paramagnetic materials include almost many chemical elements and compounds; these materials have a relative magnetic permeability comparatively higher than 1 (i.e., a small value of a positive magnetic susceptibility) and thus are attracted to magnetic fields.
❍ Curie Law
➦ The Curie Law was discovered by Pierre Curie. This law specifies that the magnetization in any paramagnetic material varies directly with the magnetic field applied.
According to the Curie law of paramagnetism, the strength of magnetization in any paramagnetic material varies inversely with the temperature applied to the material, which means the more the temperature of the paramagnetic material is, the lesser will be magnetization in the material. The formula for this statement is given by:
M = C B/T
Where,
M = Magnetization of the material
C = Curie’s constant
B = Magnetic field applied to the material
T = Temperature in Kelvin
And,
C = MT/B (Curie Law Formula)