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State Gauss's law....

State Gauss's law.

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R G PUBLICATION-MAGNETISM AND MATTER-EXERCISE
  1. Write a short note on "Bar magnet".

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  2. Draw the magnetic field lines of a bar magnet.

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  3. State Gauss's law.

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  4. "The strength of the earth's magnetic field varies from place to place...

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  5. Differentiate between magnetic equator and geographic equator.

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  6. The earth's magnetic field at the equator is approximately 0.4G. Esti...

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  7. Define magnetic declination.

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  8. In the magnetic meridian of a certain place, the horizontal component ...

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  9. Distinguish between dia and paramagnetic substance.

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  10. What is ferromagnetism? What are the ferromagnetic substance?

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  11. "A soft iron core in solenoid acts as an electromagnet". Explain.

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  12. In which direction would a compass free to move in the vertical plane ...

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  13. "A system displaying a hystersis loop such as a ferromagnet, is a devi...

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  14. Why is diamagnetism, in contrast, almost independent of temperature?

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  15. Distinguish between magnetic dipole and electric dipole.

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  16. Define tangent law in magnetism.

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  17. What is meant by magnetic field and magnetic field intesity?

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  18. Establish the Coulomb's law in magnetism.

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  19. Compare the magnetic fields on a bar magnet and a solenoid.

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  20. What is the probable cause of earth magnetism?

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