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What do magnetic lines of force represen...

What do magnetic lines of force represent ?

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These are imaginary lines drawn along the path of deflection of a magnetic needle in a given magnetic field, representing magnetic lines of force which help in determining the magnetic flux and hence the magnetic flux density .
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SUBHASH PUBLICATION-MAGNETISM AND MATTER -TWO MARKS QUESTIONS WITH ANSWERS
  1. What are electromagnets ?

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  2. Write the relation between B(E), B(H) "and" B(V) along with an appropr...

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  3. What do magnetic lines of force represent ?

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  4. Why is that any two magnetic lines of force do not intersect with each...

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  5. How are the magnetic lines of force aligned in an uniform magnetic fie...

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  6. Say whether the magnetic dipole moment is a scalar or a vector quantit...

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  7. Give the expression for the magnitude of magnetic flux density along t...

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  8. Give the expression for torque acting on a magnetic dipole placed in a...

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  9. Give the expression for magnetic potential energy and the meaning of t...

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  10. Give the expression for period of oscillation of a magnctic dipole ( m...

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  11. State Gauss's law in magnetism and write the same in the mathmatical f...

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  12. Magnetic field arises due to charges in motion. Can a system have magn...

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  13. Give the location of earth's magnetic dipole.

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  14. Define magnetic susceptibility of a substance. Mention the SI unit of ...

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  15. Give the expression for total magnetic flux associated with the magnet...

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  16. What are permanent magnets ? Give any one practical application of per...

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  17. What are magnetic elements of the Earth?

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  18. Why does a paramagnetic sample display greater magnetisation ( for the...

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  19. What are horizontal and vertical components of earth's total magnetic ...

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