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The earth's magnetic field is approximat...

The earth's magnetic field is approximately

A

`10^(-4)T `

B

`10^(-5)T`

C

`10^(-6)T`

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
It has been established that earth magnetic field is fairly uniform. The strength of this field at the surface of the earth is approximately ` 10^(-4)` tesla or 1 gauss.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MAGNETISM-I-Exercise 1
  1. The effect due to uniform magnetic field on a freely suspended magneti...

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

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

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  4. The earth's magnetic field is approximately

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  5. Magnetic meridian is an imaginary:

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

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

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  8. Aclinic lines are the lines joining places of

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

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  10. The angle of dip at the magnetic equator is

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

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

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

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

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

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

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  17. At a neutral point

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

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  19. When the N-pole of a bar magnet points towards the south and S-pole to...

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  20. The magnetic field of Earth can be modelled by that of a point dipole ...

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