Question

why are natural magnets not used in cranes to lift heavy loads​

Answer 1

Answer:

Cranes uses electromagnets rather than permanent magnets. The electromagnets can get magnetic nature as and when required so that they can lift heavy loads. ... But, in the case of permanent magnets, it is not possible to release the load because the permanent magnets never loses their magnetic property.

Answer 2

Answer:

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Explanation:

Cranes uses electromagnets rather than permanent magnets. The electromagnets can get magnetic nature as and when required so that they can lift heavy loads. ... But, in the case of permanent magnets, it is not possible to release the load because the permanent magnets never loses their magnetic property.

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