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A small iron bar is kept near the north ...

A small iron bar is kept near the north pole of a bar magnet. How does the iron bar acquire magnetism ? Draw a diagram to show the polarity on the iron bar. What will happen if the magnet is removed ?

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ICSE-MAGNETISM -EXERCISE-10(A)
  1. Explain the following: Several soft iron pins can cling, one below the...

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  2. Explain the following: The north end of a freely suspended magnetic ne...

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  3. A small iron bar is kept near the north pole of a bar magnet. How does...

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  4. Induced magnetism is temporary'. Comment on this statement.

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  5. Induction precedes attraction'. Explain the statement.

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  6. What do you understand by the term magnetic field lines ?

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  7. State four properties of magnetic field lines.

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  8. Explain why iron filings which are sprinkled on a sheet of cardboard p...

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  9. Explain the method of plotting magnetic field lines by using a small c...

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  10. Why don't two magnetic lines of force intersect each other?

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  11. In Fig. draw at least two magnetic field lines between the two magnet...

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  12. State two evidences of the existence of earth's magnetic field.

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  13. Sketch four magnetic field lines as obtained in a limited space on a h...

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  14. Draw the pattern of magnetic field lines near a bar magnet placed with...

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  15. State whether the magnetic field lines in part (a) represent a uniform...

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  16. Fig. shows a bar magnet placed on the table top with its north pole p...

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  17. Fig. shows a bar magnet placed on the table top with its north pole p...

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  18. Fig. shows a bar magnet placed on the table top with its north pole p...

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  19. What conclusion is drawn regarding the magnetic field at a point if a ...

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  20. What is a neutral point? How is the position of a neutral point locate...

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