Question

3. a) Name a temporary magnet b) Name two materials by which this is made. c) In which devices is it used?​

Answer 1

Answer:

Paperclips, iron nails and other similar items are examples of temporary magnets. Permanent magnets are made from special alloys (ferromagnetic materials) such as iron, nickel and cobalt, several alloys of rare-earth metals and minerals such as lodestone. Computers use magnets to store data on hard drives.