state two limtation of natural magnet
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Explanation:
requirements. 1) They are of irregular shapes. 2) They have low magnetic field as compared to electromagnets.
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1) Their magnetism is permanent; we cannot switch it on and off.
1) Their magnetism is permanent; we cannot switch it on and off. 2) Their polarity cannot be changed; whereas in electromagnets it is possible to change the polarity by reversing the direction of current.
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