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Question

A compass needle, which shows the direction at the earth's magnetic pole is
Vertical
No particular direction
Horizontal
Bent at 45 $^{0}$ to the vertical

A

Vertical

B

Bent at 45

^{0}

to the vertical

C

Horizontal

D

No particular direction

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Solution

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For a compass to show the direction of magnetic pole moment , they must be placed at ether of the $2$ geographic poles . It is because the direction of magnetic moment is from south to north pole.
The compass therefore will be vertical at both the poles.

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