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  • Try this! A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole. It:

A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole. It:

  • Option 1)

    will become rigid showing no movement

  • Option 2)

    will stay in any position

  • Option 3)

    will stay in north-south direction only

  • Option 4)

    will stay in east-west direction only

 

Answers (1)

As we learnt in 

Horizontal component of earth's magnetic field at any other Place -

Total intensity can be resolved into horizontal component (BH) and vertical component (Bv)

-

 

 A compass needle which is  allowed to move a horizontal plane is taken to a geomagnetic pole. It will Stay in any Position as the horizontal. Component of earth is  naganetic field become Zero at the geomagnetic pole.


Option 1)

will become rigid showing no movement

Incorrect

Option 2)

will stay in any position

Correct

Option 3)

will stay in north-south direction only

Incorrect

Option 4)

will stay in east-west direction only

Incorrect

Posted by

Vakul

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