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How are materials classified according to their behaviour in a magnetic field? Why does the magnetisation of a paramagnetic salt increase on cooling?

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How are materials classified according to their behaviour in magnetic field?

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Why does a paramagnetic sample display greater magnetisation (for the same magnetisation field) when cooled?

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MODERN PUBLICATION-CLASSIFICATION OF MAGNETIC MATERIALS-EXERCISE
  1. Classify materials on the baiss of their behaviour in a magnetic field...

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  2. Explain the magnetism on the basis of atomic theory.

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  3. How are materials classified according to their behaviour in a magneti...

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  4. Two similar bars made from two different materials P and Q are placed ...

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  5. Two similar bars made from two different materials P and Q are placed ...

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  6. What are ferromagnetic substances? Explain briefly domain theory to ex...

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  7. Draw magnetic field lines, when a diamagnetic substance is placed in a...

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  8. Give six properties of diamagnetic substance.

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  9. Name any two paramagnetic substances.

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  10. Explain the magnetism on the basis of atomic theory.

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  11. What are dia and paramagnetic substances?

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  12. Distinguish between diamgnetic and ferromagnetic materials in respect ...

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  13. State and explain Curie's law in magnetism.

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  14. Explain magnetic hysteresis.

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  15. Explain magnetic hysteresis.

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  16. Explain the phenomenon of self induction?

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  17. Explain briefly the importance of retentivity and coercivity for perma...

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  18. What are permanent magnets? Give one example.

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  19. What is the difference between an electromagnet and a permanent magnet...

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  20. Find an expression for the magnetic dipole moment of an atom.

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