Question

People rely on magnets for industrial and commercial use. Since scientists began creating very strong magnets using electricity, magnets have become essential to the medical and electronic sectors. People even rely heavily on magnets in their homes. Briefly discuss three uses of magnets in different fields.

Answer 1

(i) Computes and Electronics. Every computer contains magnets for data storage on hard drives and to display images on computer screens. In electronics, the magnets guide electrons and metals to the appropriate place.
(ii) Industry. Electric generators rely on magnets to convert mechanical energy into electricity, while some motors work in reverse. Electromagnetic cranes grab and move large amounts of metal. The maglev (magnetic leviation) trains operate using two opposing magnets that cause the train to float, making it extremely maneuverable and fast.
(iii) Health and Medicine. Magnets are used in X-rays and MRI machines.