Which of the following is/are artificial magnets?
Bar magnet
Horse-shoe magnet
Ball ended magnet
Artificial magnets are man-made magnets prepared by using elements like iron, cobalt, nickel or their mixture with other elements. Artificial magnets come in different shapes, for example, bar magnet, horseshoe magnet, cylindrical or ball-ended magnet. Magnetite which is the ore of iron is the strongest natural magnet.