Question

South pole of magnet indicate direction​

Answer 1

Answer:

If a bar magnet is suspended so that it rotates freely, one pole of the magnet will always turn toward the north, with the opposite pole facing south. This discovery led to the compass, which is simply a small, elongated magnet mounted so that it can rotate freely.

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Answer 2

Answer:

By convention, the field direction is taken to be outward from the North pole and in to the South pole of the magnet.