The correct answer is C. sound.
When the electrical energy reaches the speaker on the other end of the phone, it is converted back into sound energy, allowing the person to hear the voice of the speaker.
When talking on a phone, the voice is transformed into electrical energy. This energy passes over wires or is transmitted through the air. Into what kind of energy does the speaker in the phone on the other end change the electrical energy?
A.
chemical
B.
heat
C.
sound
D.
light
1 answer