State two limitations of natural magnets?
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Two limitations of natural magnets --
1) The magnetic property is fixed. We cannot increase or decrease it.
2) The polarity is fixed. The north pole and south pole remains as it is.But in electromagnets we can change polarity by reversing the flow of current.
1) The magnetic property is fixed. We cannot increase or decrease it.
2) The polarity is fixed. The north pole and south pole remains as it is.But in electromagnets we can change polarity by reversing the flow of current.
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