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At the magnetic north pole of the ear...

At the magnetic north pole of the earth 's the values of the horizontal copmonent H and the value the angle of dip `theta` are

A

`deg30`

B

`deg0`

C

`deg90`

D

`deg60`

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-Mock Test 31: PHYSICS-Example
  1. At the magnetic north pole of the earth 's the values of the horizo...

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  2. At a certain place, the horizontal component B(0) and the vertical com...

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  3. At a place horizontal and vertical components of earths magnetic field...

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  4. Lines joining places of equal angle of declination are called

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  5. A magnetic needle is made to vibrate in uniform field H, then its time...

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  6. The magnetic needle of a tangent galvanometer is deflected at an angle...

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  7. If a magnet of pole strenght m is divided into four parts such that t...

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

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

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  10. Which of the following statement is incorrect?

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  11. A ship is sailing due west according to Mariner's compass . If the dec...

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  12. The values of apparent angles of dip in two places measured in two mut...

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  13. The true value of dip at a place is 30^(@). The verticle plane carryin...

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  14. When a current of 1A passes through a tangent galvanometer, angle of d...

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  15. The magnetism of a bar magnet is due to

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  16. The only property possessed by ferromagnetic substance is

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  17. Which of the following statement is incorrect about hysteresis?

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  18. For an isotropic medium B, mu, H and M are related as (where B, mu(0),...

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  19. The variation of magnetic susceptibility (chi) with absolute temperatu...

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  20. The coercivity of a bar magnet is 120A//m. It is to be demagnetised by...

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