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Where do the manufacturers usa a magneti...

Where do the manufacturers usa a magnetic strip in the refrigerator ? Why is this magnetic strip used ?

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LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. State whether the following statement is true or false : The axis of...

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  2. Why does a compass needle get deflected when brought near a bar magnet...

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  3. Where do the manufacturers usa a magnetic strip in the refrigerator ? ...

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  4. Fill in the following blanks with situable words : (a) Magnetic fiel...

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  5. Draw magnetic field lines around a bar magnet.

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  6. What are magnetic field lines? How is the direction of magnetic field ...

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  7. Why don't two magnetic field lines intersect each other?

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  8. Draw magnetic field lines around a bar magnet.

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  9. (a) Define magnetic field lines. Describe an activity to draw a magnet...

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  10. A strong bar magnet is placed vertically above a horizontal wooden boa...

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  11. Draw magnetic field lines around a bar magnet.

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  12. Which of the following is not attracted by a magnet ?

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  13. The magnetic field lines :

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  14. The north pole of earth magnet is in the :

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  15. The axis of earth's magnetic field is inclined with the geographical ...

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  16. The shape of the earth magnetic field resembles that of an imaginary ...

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  17. A magnet attracts :

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  18. A plotting compass is placed near the south pole of a bar magnet. The ...

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  19. The metallic pointer of a plotting compass gets deflected only when i...

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  20. Choose the incorrect statement from the following regarding magnetic l...

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