State four properties of a bar magnet.

Explanation

Properties of a bar magnet: 1. Like poles of a magnet repel each other and unlike poles of a magnet attract each other.
2. When a bar magnet is suspended freely, it aligns itself in geographical north-south direction.
3. Magnetic poles always exist in pairs.
4. A magnet can attract small pieces of magnetic materials like iron, steel, cobalt, nickel etc.