Which statement describes the magnetic effect of a bar magnet

The field is most concentrated at the poles of the magnet

Explanation:

Magnetic fields are strongest at the poles of the magnet. At this place, they are most concentrated and have the biggest force.

A magnetic effect is produced in the vicinity of a magnetic body usually a bar magnet.

Magnetic fields are strongest in the region of the north and south pole. At every other points they are weaker.

the answer to your question is c.

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