A) will become rigid showing no movement.
B) will stay in any position.
C) will stay in north-south direction only.
D) will stay in east-west direction only.
Correct Answer: A
Solution :
(a) will become rigid showing no movement. A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole. It will stay in any position as the horizontal component of Earth's magnetic field becomes zero at the geomagnetic pole.
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