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प्रश्न
Give two points to distinguish between a paramagnetic and a diamagnetic substance ?
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उत्तर
| Paramagnetic substance | Diamagnetic substance |
| 1. A paramagnetic substance is feebly attracted by a magnet. 2. For a paramagnetic substance, the intensity of magnetisation has a small positive value |
1. A diamagnetic substance is feebly repelled by a magnet. 2.For a diamagnetic substance, the intensity of magnetisation has a small negative value. |
संबंधित प्रश्न
The magnetic field B and the magnetic intensity H in a material are found to be 1.6 T and 1000 A m−1, respectively. Calculate the relative permeability µr and the susceptibility χ of the material.
A magnetic material of susceptibility 3 × 10−4, and magnetic intensity is 4 × 10−4 Am−1. Then The magnetization in the units of Am−1 is ______.
The magnetic field (B) inside a long solenoid having 'n', turns per unit length and carrying current 'I' when iron core is kept in it is (`mu_0` = permeability of vacuum, `chi` = magnetic susceptibility) ____________.
Assertion: Susceptibility is defined as the ratio of intensity of magnetisation I to magnetic intensity H.
Reason: Greater the value of susceptibility, smaller the value of intensity of magnetisation I.
A bar magnet having length 5 cm and area of cross-section 4cm2 has magnetic moment 2Am2. If magnetic susceptibility is 5 x 10-6, the magnetic intensity will be ____________.
The variation of intensity of magnetization (I) and applied magnetic field intensity (H) for three magnetic materials A, B, C are shown in the graph. The material A is ____________.
A bar magnet has length 3 cm, cross-sectional area 4 cm2, and magnetic moment 6 Am2. The intensity of magnetisation of bar magnet is ______.
The magnetic moment produced in a substance of mass 5 gram is 6 x 10-7 Am2 If its density is 5 g/cm3, then intensity of magnetization in `"A"/"m"` will be ____________.
The dimensions of magnetic intensity are ______.
For a medium of permeability µ, its magnetic susceptibility x is [µ 0 = permeability of vacuum]
