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Compare the magnetic fields on a bar mag...

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

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R G PUBLICATION-MAGNETISM AND MATTER-EXERCISE
  1. What is meant by magnetic field and magnetic field intesity?

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  2. Establish the Coulomb's law in magnetism.

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

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  4. What is the probable cause of earth magnetism?

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  5. Distinguish between permeability and susceptibility.

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  6. Distinguish between dia and paramagnetic substance.

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  7. Why magnetic field exist inside a magnet?

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  8. When the intensity of magnetisation is said to be positive or negativE...

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  9. What are the general properties of electric field lines?

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  10. Show how the axial field of a finite solenoid resembles that of a bar ...

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  11. Deduce an expression for magnetic potential energy in an uniform magne...

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  12. What is magnetic field?

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  13. The number of turns of solenoid is 800 per meter, If it carry a curren...

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  14. Deduce the expression for PhiB = underset(DeltaS)sum B.Delta S=0

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  15. What is the Domain theory of ferromagnetism?

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  16. Describe the properites of feromagnetism.

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  17. What do you mean by permeability and susceptibility? How they are rela...

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  18. A bar magnet of volume 40cm^3 develop a magnetic monent 8000 gauss whe...

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  19. The horizontal component of earth magnetic field is 0.2 gauss and tota...

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  20. A circular coil of 50 turns and diameter 8 cm carries a current 2 ampe...

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