Dynamic microphone
part · 1931 · Electric age
A microphone with a coil in a magnetic field.
What it is made of
- Permanent magnet — has part. The coil moves in the field of a magnet.
Principles and materials it uses
- Electromagnetic induction — uses. A coil in a field.
- Copper — is made of. The coil is copper.
What it is a kind of
- Microphone — is a kind of. A microphone.
Things built in a similar way
- Loudspeaker — works like. A loudspeaker in reverse.