The speaker produces sound by:
A) Creating a noise from a vibrating diaphragm.
B)Changing air pressures in front of the speaker cone.
C)Rubbing two dissimilar materials together at the speed of sound.
D) Changing resistance of the permanent magnet.

Question

Quizplus · Accepted Answer

Speakers produce sound by moving a diaphragm or cone back and forth, which changes the air pressure in front of the speaker, creating sound waves.

The Speaker Produces Sound By