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It receives sound through a microphone.

The microphone converts sound waves into electrical signals.

The electrical signals are amplified by the amplifiers.

Amplified electrical signals are sent to speaker of hearing aid.

The speaker converts amplified electrical signals into sound waves.

These sound waves are sent to the ear for clear hearing.

  1. Class 9
  2. Chapter 12 Class 9 - Sound

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.