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The component of the magnetic field alon...

The component of the magnetic field along the line OP at due to the point P due to the bar magnet of magnetic moment `1. 732Am^(2)` is

A

`3 xx 10 ^(-7) T`

B

`10 ^(-7) T`

C

`sqrt3 xx 10 ^(-7) T`

D

`2 sqrt3 xx 10 ^(-7) T `

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-MAGNETISM AND MATTER -EXERCISE
  1. A bar magnet of length 3 cm has points A and B along its axis at dis...

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  2. In the figure theta = tan ^(-1) (sqrt2), then the correct direction of...

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  3. The component of the magnetic field along the line OP at due to the po...

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  4. The magnetic moment of a short bar magnet is 2 Am ^(2). The magnetic f...

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  5. The work done in rotating a bar magnet f magnetic moment M from its un...

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  6. The potential enargy of bar magnet of magnetic moment 8 Am ^(2) placed...

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  7. Force between two identical bar magnets whose centres are r metre apar...

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  8. Two identical bar magnets, each of magnetic moment M, are placed as sh...

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  9. Gauss's law in magnelism ensures that

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  10. Which of the following is responsible for the earth's magnetic field?

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

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  12. Isogonic lines are the lines joining places of…………………….. .

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  13. The angle of dip at a certain place where the horizontal and vertical...

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  14. A dip circle is placed in geographic meridian at a place where dip and...

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  15. A dip needle in a plane perpendicular to magnetic meridian will remain

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  16. The original value of the angle of dip at a place is 45^(@) what will...

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  17. A dip circle is placed in geographic meridian at a place where dip and...

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  18. The value of apparent angles of dip at two places measured in two mutu...

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  19. A magnetic dipole of magnetic moment 1.44 A m^2 is placed horizontally...

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  20. The time period of a vibration magnetometer is T(0). Its magnet is rep...

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