Question

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?

• A. 2, 3 and 4 only
• B. 1, 2, 3 and 4
• C. 1 only
• D. 2 only

Answer 1

The correct option is B

1, 2, 3 and 4

Hearing aid is an electronic, battery operated device which is used by people with hearing loss. It receives sound through a microphone and converts the sound waves into electrical signals. The signals are amplified and given to speakers where they are converted to sound and given to ear for hearing.