Pls solve the following urgently

Dear Student,

As per condition is given is they are the same magnet that is they are having the same strength but we can see that the there are 3 pins all together in pin A and there are 2 pins in set B so β€‹β€‹β€‹β€‹the pins A is made of soft iron and the principle which enables this is magnetization. Soft iron can be easily magnetized easily and the strength of magnetization is high as shown in figure A.
The ends of pins which are closer to north pole are acting as south poles. The ends of pins which are away from the north pole are acting as north poles, due to this the pins can hang one below the other and the process is called magnetization.


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