CISCEICSE Class 9
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State the main components of a hearing aid. - Physics

One Line Answer

State the main components of a hearing aid.

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Solution

The main components of hearing aid are microphone , amplifier and earphone.

Concept: Measurements Using Common Instruments
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Chapter 7: Sound - Range of Hearing [Page 284]
Q 19
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 7 Sound
Range of Hearing | Q 19 | Page 284
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