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A similar noise can be heard coming out of the electric meters attached to ... causes expansion and contraction of the wire, producing sound.

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11y ago

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It uses electricity to produce its sound


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Sound can be converted into electricity through a process called piezoelectricity. This involves using materials that generate an electric charge when they are subjected to mechanical stress, such as vibrations from sound waves. When sound waves cause these materials to vibrate, they produce an electric current that can be harnessed as electricity.


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