Advertisements
Advertisements
प्रश्न
Out of the two magnetic materials, 'A' has relative permeability slightly greater than unity while 'B' has less than unity. Identify the nature of the materials 'A' and 'B'. Will their susceptibilities be positive or negative?
उत्तर
For a paramagnetic material, the relative permeability lies between 1<μr<1+ε and its susceptibility lies between 0<`chi`<ε.
Hence, 'A' is a paramagnetic material and its susceptibility is positive. This is because its relative permeability is slightly greater than unity.
For a diamagnetic material, the relative permeability lies between 0≤μr<1 and its susceptibility lies between −1<`chi`<0.
Hence, 'B' is a diamagnetic material and its susceptibility is negative. This is because its relative permeability is less than unity.
Here, μr and `chi` refer to the relative permeability and susceptibility.
APPEARS IN
संबंधित प्रश्न
The relative magnetic permeability of a magnetic material is 800. Identify the nature of magnetic material and state its two properties.
For a paramagnetic substance, the magnetic susceptibility is ______.
The magnetic susceptibility of a paramagnetic material at - 73 °C is 0.0075. Its value at -173 °C will be ______.
Is the permeability of a ferromagnetic material independent of the magnetic field? If not, is it more for lower or higher fields?
The given figure represents a material which is ______.
Which of the following property shows the property of ferromagnetic substances?
If a charged particle at rest experience no electromagnetic force
A permanent magnet in the shape of a thin cylinder of length 10 cm has M = 106 A/m. Calculate the magnetisation current IM.
The relative magnetic permeability of a substance X is slightly less than unity and that of substance Y is slightly more than unity, then ______.
