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Explain the cause of the earth's magneti...

Explain the cause of the earth's magnetism.

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MODERN PUBLICATION-MAGNETISM AND MATTER-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. Write an expression for magnetic potential energy of a magnetic dipole...

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  2. Assertion : Gauss's law of magnetism is different from that for electr...

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  3. Explain the cause of the earth's magnetism.

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  4. Explain with the help of diagram the terms (i) magnetic declination an...

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  5. At a place, the horizontal component of earth's magnetic field is B an...

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  6. What are isogonic, isoclinic and isodynamic lines?

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  7. Define magnetic susceptibility of a material.Name two elements one hav...

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  8. State and explain Gauss's law in magnetism.

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  9. Explain paramagnetism with suitable example .

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  10. Distinguish between paramagnetic and ferromagnetic substances.

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  11. Distinguish between diamagnetic and paramagnetic substances.

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  12. Give two points to distinguish between a paramagnetic and a diamagneti...

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  13. Depict the behaviour of magnetic field lines when (i) diamagnetic and ...

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  14. What is the basic difference between the atom/molecule of a diamagneti...

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  15. How will a dia, para and a ferromagnetic material behave when kept in ...

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  16. Electrons in a paramagnetic compound are

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  17. The magnetic moments of the domains in a ferromagnetic substance-

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  18. When a ferromagnetic material is heated to temperature above its Curie...

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  19. What difference between soft ferromagnetic materials and hard ferromag...

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  20. Differentiate between the properties of soft iron and steel.

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