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The magnetic field lines inside a bar ma...

The magnetic field lines inside a bar magnet

A

Are from south pole to north pole of the magnet

B

Are from north pole to south pole of the magnet

C

Depend upon the area of cross section of the bar magnet

D

Depend upon the orientation of the bar magnet

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The correct Answer is:
A
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(a) Describe an activity to show with the help of a compass that magnetic field is strongest near poles of a bar magnet. (b) Mention the direction of magnetic field lines (i) inside a bar magnet and (ii) ouside a bar magnet.

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AAKASH INSTITUTE-MAGNETISM AND MATTER -Assignment Section - B Objective Type Questions (One option is correct)
  1. The magnetism of a bar magnet is due to

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  2. A bar magnet of magnetic moment M and pole strength m is broken in two...

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  3. The magnetic field lines inside a bar magnet

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  4. At a certain place , horizontal component of earth's field is sqrt3 ti...

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  5. The material suitable for making electromagnets should have

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  6. Magnetic susceptibility of diamagnetic substances depends upon the abs...

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  7. When a ferromagnetic material is heated above its Curie temperature , ...

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  8. The true value of angle of dip at a place is 60^(@) . The apparent ang...

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  9. Two identical bar magnets of magnetic moment M each are inclined to 60...

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  10. A bar magnet of magnetic moment M is bent in the form of quadrant of c...

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

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

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  13. The pole strength of a bar magnet is 48A-m and the distance between it...

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

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

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  16. A magnetic needle is kept in a non uniform magnetic field . It experie...

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  17. The magnet of vibration magnetometer is heated so as to reduce its mag...

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  18. Two bar-magnets having their moment of inertia in the ratio 2: 3 oscil...

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  19. A small magnetic needle performs 10 oscillations/minute in the earth's...

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

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