Question

b) Two identical bar magnets A and B are kept on a table. One pole on A is marked as
-north'. Explain the procedure you will use to identify all the other poles on both the
magnets.
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Answer 1

Answer:

As we know that like poles repel each other and unlike poles attract. First, we will bring the known pole i.e north pole near to any unknown pole of the other magnet.  If the two poles attract each other then the pole brought near is the south pole but if the poles repel then the pole brought near is north pole. And after we find one pole of each magnet bar the other pole will be obvious.

Explanation:

Repel means when the two poles of any magnet do not attract and move away when brought near.

Answer 2

Answer:

I also think that above answer is correct.

Explanation:

I hope this helps you