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The three diagrams in the following figu...

The three diagrams in the following figure show the lines of force (field lines) between the poles of two magnets. Identify the poles A, B, C, D, E and F.

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The correct Answer is:
A=N ; B=N ; C=S, D=S ; E=N, F=S
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LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. Copy the figure given below which shows a plotting compass and a magne...

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

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

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

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

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

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

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

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

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

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

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

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

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  14. What for do we apply clock-rule?

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

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

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  17. (a) Draw a circuit diagram to show how a soft iron piece can be transf...

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  18. (a) How does an electromagnet differ from a permanent magnet ? (b) N...

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  19. The strength of the magnetic field between the poles of an electromagn...

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  20. The diagram given below represents magnetic field caused by a current...

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