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What happens to the compass needles at the Earth’s poles

What happens to the compass needles at the Earth’s poles
 

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2 Answers

KALYAN
400 Points
8 years ago
At the Earth’s poles the horizontal component of Earth’s magnetic field is zero. Hence the
compass needles may align in any direction.
 
Sai Ram Reddy
15 Points
4 years ago
The compass needle will align itself perpendicular to earth's surface because there is only vertical component of earth's magnetic field at poles.Horizontal component of earth's magnetic field is zero at poles

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