the electricity produced in a polar crystals when mechanical stress is applied on then is called….

The electricity produced on applying stress on the crystals is called

Electricity produced on applying stress on the crystals of dielectrics is

When a piezoeletric crystal is deformed by mechanical stress ………. is produced due to the displacement of ions.

When a piezoeletric crystal is deformed by mechanical stress ………. is produced due to the displacement of ions.

When a piezoeletric crystal is deformed by mechanical stress ………. is produced due to the displacement of ions.

The phenomenon in which the crystals on subjecting to a pressure or mechanical stress produce electricity is called

The phenomenon in which polar crystals on heating produce electricity is called :