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Compare the magnetic fields due to a sol...

Compare the magnetic fields due to a solenoid and a bar magnet.

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MODERN PUBLICATION-MAGNETIC DIPOLE & EARTH'S MAGNETISM-EXERCISE
  1. Find the amount of work done in rotating a magnet through an angle the...

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

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  3. Compare the magnetic fields due to a solenoid and a bar magnet.

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  4. Explain three magnetic elements of earth's magnetic field at a given p...

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

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  6. Define magnetic elements of Earth.

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  7. What is a neutral point in a magnetic field of a bar magnet.

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  8. What is a neutral point in a magnetic field of a bar magnet.

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  9. A bar magnet has a magnetic moment of 10 A m^2. If its magnetic length...

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  10. Two equal magnetic poles placed 25 cm apart in air exert a fore o 4xx1...

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  11. Two magnetic poles, one of which is four times stronger than the other...

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  12. Two like magnetic poles of strenth 25 A m and 64 A m are situated 1.0 ...

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  13. Two identical magnetic with a length 10 cm and weight 50 g of each are...

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  14. A magnetised steel wire 31.4cm long has a pole strength of 0.2Am. It i...

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  15. Two thin bar magnets of pole strengths 4Am and 7Am respectively and le...

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  16. A planar loop of irregular shape encloses an area of 7.5xx10^-4m^2, an...

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  17. A circular coil of 300 turns and diameter 14 cm carries a current of 1...

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  18. A circular coil of 200 turns and radius 0.2 m carries a current of 14 ...

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  19. An electron in an atom revolves around the nucleus in an orbit of radi...

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  20. In a hydrogen atom, the electron moves in an orbit of radius 0.5 overs...

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