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If we have a bar magnet, we broke it in two pieces but when we try to join it from the place we have broke it in two pieces then they repel each other but

if we rotate one of them by 180 degrees they attract each other. Why?



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Question is wrongly formed.   The poles attract at the cut.

 |                                                      |
 |   N                                           S   |
 |                                                     |

if it is split into two pieces , it becomes: 

 |                           |                          |
 |   N                 S  |  N                 S   |
 |                          |                           |

Hence the poles formed at the cut or break, are opposite. They attract each other.

0 0 0
No they aren't the same poles, you take it wrong!
Though I have got the answer (almost), somehow it is due to fault in magnetisation of a magnet!
then your question is wrong... for a proper magnet, the poles at the cut will always attract..
at least click on thank you link... i spent some time on this question.. you realize that you posed a confusing question...
be kind to acknowledge the effort i put in. select best answer
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