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The shape of the earth magnetic field r...

The shape of the earth magnetic field resembles that of an imaginary :

A

U-shaped magnet

B

Straight conductor carrying current

C

Current-carrying circular coil

D

Bar magnet

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The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. The north pole of earth magnet is in the :

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

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

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  4. A magnet attracts :

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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