PIEZO ELECTRIC DEVICES (Piezo resistors)


Crystals of solids are made up of atoms, molecular and ions are arranged in an orderly manner. When an electric field is applied, the ions are displaced from their original  position  and  develop  potential  difference  across  the  surface  of  the  crystal.
















































This phenomenon is called piezo electricity. This effect can also work in reverse way i.e., the application of a force across the surface of piezo electric material causes a potential difference across its surface. This piezo electric effect can also be used for a variety of measurements.

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