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Explain what do you understand by magnet...

Explain what do you understand by magnetic induction. What role does it play in attraction of a piece of iron by a magnet ?

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ICSE-MAGNETISM -EXERCISE-10(A)
  1. A small magnet is suspended by a silk thread from a rigid support such...

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  2. Explain the term induced magnetism.

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  3. Explain what do you understand by magnetic induction. What role does i...

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  4. Explain the mechanism of attraction of iron nails by a magnet when bro...

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  5. Explain the following: When two pins are hung by their heads from the ...

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  6. Explain the following: Several soft iron pins can cling, one below the...

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

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

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

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  10. Induction precedes attraction'. Explain the statement.

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

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  12. State four properties of magnetic field lines.

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

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

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

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

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

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

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

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

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