Question

List out a few applications of a microphone in our day-to-day life.

• A. In telephones
• B. In tape recorders
• C. In AC generators
• D. In hearing aids

Answer 1

Answer: (A), (B), (D)

The correct options are
A

In telephones

B

In tape recorders

D

In hearing aids

A microphone is a device that converts sound waves into an electrical signal. It works on the basis of electromagnetic induction by converting sound vibrations into electrical signals. Microphones are used in many applications such as telephones, tape recorders, hearing aids and in radio and television broadcasting. Given below is a diagram of a microphone converting sound waves to electrical signals.