The role and function of magnets Introduction to the role and function of magnets

1, magnets have the property of attracting ferromagnetic substances (such as iron, nickel, cobalt and other metals), mainly used in traditional industry, medicine, astronomy, military field. Magnets can produce a magnetic field, the earliest "compass" is the use of magnets, the development of mankind has a very important significance.

2, the composition of the magnet is iron, cobalt, nickel and other atoms, the internal structure of its atoms is relatively special, itself has a magnetic moment. Magnets can generate a magnetic field, with the property of attracting ferromagnetic substances such as iron, nickel, cobalt and other metals.