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When the N-pole of a bar magnet points t...

When the `N`-pole of a bar magnet points towards the south and S-pole towards the north, the null points are at the

A

Magnetic axis

B

Magnetic centre

C

Perpendicular divider of magnetic axis

D

N and S poles

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The correct Answer is:
A
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A2Z-MAGNETISM AND MATTER-Section D - Chapter End Test
  1. When the N-pole of a bar magnet points towards the south and S-pole to...

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  2. The true value of angle of dip at a place is 60^(@), the apparent dip ...

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  3. A magnetic needle lying parallel to a magnetic field requires W units ...

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  4. A thin rectangular magnet suspended freely has a period of oscillation...

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  5. The length of a magnet is large compared to its width and breadth. The...

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  6. Two identical short bar magnets, each having magnetic moment M, are pl...

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  7. The magnet field lines due to a bar magnet are correctly shown in

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  8. A curve between magnetic moment and temperature of magnet is

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  9. Which curve may best repreasent the current deflection in a tangent ga...

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  10. The variation of the intensity of magnetisation (I) with respect to th...

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  11. For ferromagnetic material, the relative permeability (mu(r)), versus ...

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  12. A magnet is suspended horizontal in the earth's magnetic field. When i...

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  13. The field due to a magnet at a distance R~ from the centre of the magn...

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  14. A long magnet is cut in two parts in such a way that the ratio of thei...

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  15. If the magnetic flux is expressed in weber, then magnetiv induction ca...

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  16. Magnetic intensity for an axial point due to a short bar magnet of mag...

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  17. A small rod of bismuth is suspended freely between the poles of a stro...

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  18. Magnetic moment of two bar magnets may be compared with the help of

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  19. At place, the magnitudes of the horizontal component and total intensi...

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  20. The angle of dip at a certain place is 30^(@). If the horizontal compo...

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  21. The horizontal component of the earth's magnetic field is 0.22 Gauss a...

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