Certain crystals produce electric signals on application of pressure .This phenomenon is calledA. PyroelectricityB. FerroelectricityC. PeizoelectricityD. Ferrielectricity.

Certain crystals produce electric signals on application of pressure .

1.	Certain crystals produce electric signals on application of pressure .This phenomenon is calledA. PyroelectricityB. FerroelectricityC. PeizoelectricityD. Ferrielectricity.
Answer» Correct Answer - C When polar crystal is subjected to a mechanical stress, electricity is produced - a case of piezoelectricity. Reversely. If electric field is applied, mechanical stress is developed Piezoelectric crystal acts asa mechanical electrical transductor.

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Certain crystals produce electric signals on application of pressure .This phenomenon is calledA. PyroelectricityB. FerroelectricityC. PeizoelectricityD. Ferrielectricity.

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