Loudspeakers 4.7.2.4

Question 1

How does a loudspeaker work?

Answer 1

a loudspeaker consists of a coil that vibrates when AC flows into it. This then vibrates a cone.
A speaker has an electromagnet connected to a cone near a permanent magnet.

Question 2

How are microphones and loudspeakers linked?

Answer 2

Speakers and microphones have the same pieces of equipment but in the opposite direction.