Which part of a hearing aid converts sound waves into electrical signals?
What is a Hearing aid?
1. An electronic, battery operated device which can be worn by people with hearing loss in or behind their ear .
2. It makes sound louder so that a person with hearing loss can hear it better.
3. Receives sound through a microphone and converts it to an electrical signal.
4. Amplifies the electrical signal and retransmits them as sound using speakers.
Which of the above statements is correct?