There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic North direction. It also attracts iron items. What can this bar be considered similar to?
A bar magnet
A bar magnet aligns itself such that the north pole of the magnet always faces the geographic north and its south pole faces the geographic south.This property of the magnet is utilized in the magnetic needle, which shows the direction to travellers by pointing in N-S direction. Also, a magnet attracts iron and other magnetic substances. Hence the bar can be consideredsimilar to a bar magnet.