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Write S.I. unit of ‘m’(pole strength)....

Write S.I. unit of ‘m’(pole strength).

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PUNJAB BOARD PREVIOUS YEAR PAPERS-MAGNETIC DIPOLE AND EARTH.S MAGNETISM-Exercise
  1. Why two magnetic lines of forces never intersect each other?

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  2. What is neutral point in a magnetic field ?

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  3. Write S.I. unit of ‘m’(pole strength).

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  4. ...................Law for magnetism establishes that monopoles do not...

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  5. What are maganetic elements at a place. Define them.

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  6. What happens if abar magnet is cut into two equal pieces: transverse ...

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  7. What happens if abar magnet is cut into two equal pieces:along its len...

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  8. write units of magnetic dipole moment by taking into consideration the...

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  9. State four properties of a bar magnet.

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  10. What is the cause of earth's magnetism?

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  11. Explain how an atom behaves as a magnetic dipole ? Find an expression ...

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  12. Derive an expression for torque acting on a barmagnet placed in magnet...

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  13. Derive an expression for the magnetic field intensity at a point on th...

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  14. What is probable cause of earth's magnetism?

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  15. Define magneticfield intensity at a point. Derive an expression for ma...

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  16. Derive an expression for torque acting on a bar magnet placed in a uni...

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  17. What is the cause of earth's magnetism?

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  18. Derive an expression for the magnetic field intensity at a point on th...

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  19. Give the possible causes of earth magnetic field.

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  20. What are the elements of the earth's magnetic field? Define them.

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