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The effect due to uniform magnetic field...

The effect due to uniform magnetic field on a freely suspended magnetic needle is as follows

A

Both torque and net force are present

B

torque is present but no net force

C

Both torque and net force are absent

D

net force is present but not torque

Text Solution

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The correct Answer is:
B
The effect due to uniform magnetic field on a freely suspended magnetic needle is torque but no net force .
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MAGNETISM-I-Exercise 1
  1. The couple acting on a magnet of length 10cm and pole strength 15A-m, ...

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  2. A bar magnet is held at right angle to a uniform magneitc field. The c...

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  3. The effect due to uniform magnetic field on a freely suspended magneti...

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  4. With reference to magnetic dipole , match the terms of Column I with t...

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  5. A short bar magnet pleaced with its axis at 30^(@) with a uniform exte...

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  6. The earth's magnetic field is approximately

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  7. Magnetic meridian is an imaginary:

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  8. The angle between the magnetic meridian and geographical meridian is c...

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  9. Lines which represent places of constant angle of dip are called

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  10. Aclinic lines are the lines joining places of

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  11. The angle which are total magnetic field of earth makes with the surfa...

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  12. The angle of dip at the magnetic equator is

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  13. Earth's magnetic field always has a horizontal component except at

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  14. If H=(1)/(sqrt3)V, then find angle of dip. (where symbols have their u...

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  15. Let V and H be the vertical and horizontal components of earth's magne...

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  16. The real angle of dip, if a magnet is suspended at an angle of 30^(@) ...

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  17. At a certain place the angle of dip is 30^(@) and the horizontal compo...

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  18. The dip at a place is delta. For measuring it, the axis of the dip nee...

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  19. At a neutral point

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  20. Which of the following is most suitable for the core of electromagnets...

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