Question

You have been given a horseshoe magnet and a megnetic needle the poles of the horseshoe magnet are not marked.how will you use the magnetic needle to determine the poles of the horseshoe magnet

Answer 1

If the needle (south) repel one end of the magnet then it is the south pole and if attracts with one end then it is north pole if the magnet as like poles repell each other and unlike poles attract each other

Answer 2

i will bring the possitive pole of needle near the pole of horse shoe magnet.if it repells then it will be the possitive and if it atracts it will be negative pole