Question

WHAT IS.




PIEZOELECTRICITY...........​

Answer 1

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Piezoelectricity is electric polarization in a substance (especially certain crystals) resulting from the application of mechanical stress.

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Answer 2

Here is ur answer :

Piezoelectricity is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics, and biological matter such as bone, DNA and various proteins) in response to applied mechanical stress. ... The inverse piezoelectric effect is used in the production of ultrasonic sound waves.

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