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The metallic pointer of a plotting comp...

The metallic pointer of a plotting compass gets deflected only when it is placed near a bar magnet because the pointer has :

A

electromagnetism

B

permanent magnetism

C

induced megnetism

D

ferromagnetism

Text Solution

Verified by Experts

The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. A magnet attracts :

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

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

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

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  5. Copy the figure given below which shows a plotting compass and a magne...

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  6. (a) The diagram shows a bar magnet surrounded by four potting compasse...

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  7. The three diagrams in the following figure show the lines of force (fi...

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  8. The figure given below shows the magnetic field between two magnets : ...

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  9. Which effect of current can be utilised in detecting a current-carryin...

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  10. State qualitatively the effect of inserting an iron core into a curren...

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  11. Draw the magnetic field lines around a straight conductor carrying cur...

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  12. What is the other name of Maxwell's right-hand thumb rule ?

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  13. State whether the following statement is true or false : The magneti...

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  14. What is the shape of a current-carrying conductor whose magnetic field...

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  15. State three ways in which the strength of an electromagnet can be incr...

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  16. Fill in the following blanks which suitable words : (a) The lines of...

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  17. What is the other name of Maxwell's right-hand thumb rule ?

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  18. What for do we apply clock-rule?

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  19. State and explain the Clock face rule for determining the polarities ...

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  20. Name any two factors on which the strength of magnetic field produced ...

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