What is a magnetic field and its use in everyday life and technology?

A magnetic field is a special form of matter that exists around moving electric charges – currents. Sources of magnetic field are permanent magnets, conductors with current.
Household and technical applications, used in: compass, telephone, household appliances, loudspeaker, computer hard drives, plastic cards, toys, furniture, etc.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.