Distinguish between diamagnetic and paramagnetic substances
|No||Diamagnetic substance||Paramagnetic substance|
|1||In an external magnetic field, a substance gets weakly magnetised in the direction opposite to that of the field.||In an external magnetic field, a paramagnetic substance gets weakly magnetised in the same direction as that of the field.|
|2||When placed in a non-uniform magnetic field, it tends to move from the stronger to the weaker part of the field.||When placed in a non-uniform magnetic field, it tends to move from the weaker to the stronger part of the field.|
|3||It is weakly repelled by a magnet.||It is weakly attracted by a magnet|
|4||Magnetic moment of every atom of a
diamagnetic substance is zero.
|Every atom of a paramagnetic substance is a magnetic dipole having a certain resultant magnetic moment.|
|5||When a rod of diamagnetic substance is suspended in a uniform magnetic field, it comes to rest with its length perpendicular to the direction of the field.||When a rod of paramagnetic substance is suspended in a uniform magnetic field, it comes to rest with its length parallel to the direction of the field.|
|6||There is no effect of temperature on
|There is effect of temperature on paramagnetic substance.|
Concept: Magnetic Properties of Materials
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