Question

Why the magnet is rub on the iron strip , the iron strip become a magnet

Answer 1

Answer: “Touch and Stroke” method is used to make an iron strip into a magnet. ... Without lifting the bar magnet, move it along the length of the iron bar till you reach the other end. Lift the magnet and bring the pole (the same pole you started with) to the same point of the iron bar from which we began.