Question

The part of telephone instrument which is placed in front of mouth and collects sound and then propagates the information in the form of electromagnetic waves is called:

• A. Mouth-piece
• B. Receiver
• C. Cable wire
• D. None of the above

Answer 1

The correct option is A Mouth-piece

The earpiece consists of an internal receiver that translates electronic signals into sound that a person can comprehend. On the other end of the handset is the mouthpiece, which consists of the transmitter. The transmitter is really a microphone that catches sound waves. The sound is then converted. Hence the answer is mouth-piece.