Answer:
It is made up of iron, steel or any other ferromagnetic substance or ferromagnetic composite, having permanent magnetic properties. The magnet has two poles: a north and a south pole. When you suspend it freely, the magnet aligns itself so that the north pole points towards the magnetic north pole of the earth.
The type of magnetism present in a bar magnet is permanent. The correct option is D.
A substance which is negative charged at one end and positive charged at another end creating the magnetic field around it.
A bar magnet also has magnetic fields around it. In the presence of magnetic force fields, any magnetic object will be attracted to it.
It is made up of iron or steel or any other ferromagnetic substance which have permanent magnet properties.
The magnet has two poles: a north and a south pole. When you suspend it freely, the magnet aligns itself so that the north pole points towards the magnetic north pole of the earth.
So, the type of magnetism present in a bar magnet is permanent.
Thus, the correct option is D.
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