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A microphone converts : - Science

MCQ

A microphone converts :

Options

  • electrical energy into sound energy in ordinary telephone

  • microwave energy into sound energy in a mobile phone

  • sound energy into mechanical energy is a stereo system

  • sound energy into electrical energy in public address system

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Solution

A microphone converts sound energy into electrical energy in public address systems.
Therefore, the answer is, (d) Sound energy into electrical energy in public address system.

Concept: Mechanical Energy and Its Different Forms
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APPEARS IN

Lakhmir Singh Science Class 9 Physics
Chapter 4 Work and energy
MCQ | Q 45 | Page 164
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