EARTH SCIENCE
MAGNETISM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which inventions transform sound energy into electrical energy?
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Speaker
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Headphones
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Electric bell
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Microphone
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Explanation:
Detailed explanation-1: -electromechanical transducer, any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone).
Detailed explanation-2: -A loudspeaker converts sound energy to electrical energy.
Detailed explanation-3: -Hence, microphones convert sound energy into electrical energy.
Detailed explanation-4: -Example: Microphones convert acoustical energy (sound waves) into electrical energy (the audio signal).
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