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Domain formation is the necessary featur...

Domain formation is the necessary feature of

A

ferromagnetism

B

paramagnetism

C

diamagnetism

D

All of these

Text Solution

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The correct Answer is:
A
According to Weiss, due to interaction of spin of electrons of one atom with that of neighbouring atoms , a ferromagnetic material gets divided into small regions called domains each of which is at all times completely magnetised, but the direction of magnetisation varies from domain to domain so that the resultant magnetisation of the material is zero.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MAGNETISM-II-Exercise 1
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  2. The elementary magnetic moment of revolving electron is also known as

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  3. The correct value of Bohr magneton is

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  4. A current I flows in a conducting wire of lenth L. If we bent it in a ...

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  5. The electron in hydrogen atom moves with a speed of 2.2xx10^(6)m//s in...

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  6. A susceptibility of a certain magnetic material is 400. What is the cl...

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  7. If the magnetic susceptibility of a material is large and positive. Th...

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  8. Resultant force acting on a diamagentic material in a magnetic field...

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  9. There are four light-weight-rod sample A, B, C, D separately suspended...

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  10. A domain in ferromagnetic iron in the form of cube shaving 5 xx 10^(1...

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  11. The intensity of magnetisation of a bar magnet is 5xx10^(4)A-m^(-1). T...

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  12. Name the SI unit of intensity of magnetisation.

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  13. Domain formation is the necessary feature of

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  14. The material of permanent magnet has

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  15. At Curie point, a ferromagnetic material transforms into:

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  16. Among the following properties describing diamagnetism identify the pr...

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  17. Magnetic susceptibility for a paramagnetic and diamagnetic materials i...

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  18. A paramagnetic sample shows a net magnetisation of 0.8A-m^(-1) when pl...

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  19. The relative permeability of a substance X is slightly less than unity...

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  20. The magnetic moment of atomic neon is

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