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Why electromagnet made by soft iron expl...

Why electromagnet made by soft iron explain?

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R G PUBLICATION-MAGNETISM AND MATTER-EXERCISE
  1. Show how the axial field of a finite solenoid resembles that of a bar ...

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

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  3. What is magnetic field?

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

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

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  6. What is the Domain theory of ferromagnetism?

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  7. Describe the properites of feromagnetism.

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

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

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

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

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  12. Calculate angle of dip at a place, where horizontal and vertical compo...

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  13. What will be the value of vertical component and total intensity of ea...

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  14. Deduce the expression for the magnetic dipole moment of a revolving el...

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  15. Discuss electron theory of magnetism.

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  16. State and explain Curies law in magnetism.

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  17. What is Hystersis. Draw the diagram.

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  18. What do you mean by Hystersis loss.

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  19. Why electromagnet made by soft iron explain?

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  20. What is Bohr magneton?

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