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WHY IS MAGNETIC NEEDLE POINTD?
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This is bcz of earth N-S poles.
If u try to keep parallel two magnet bar's same poles together then u will see that one magnetic N-pole will rotate to
another's S-pole, two same type poles never close together bcz
of repulsive force.........same thing is with "MAGNETIC NEEDLE " and earth (Earth is itself a stronge magnet)
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