MCQOPTIONS
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				| 1. | 
                                    In a piezoelectric crystal, the application of mechanical force will cause | 
                            
| A. | plastic deformation of crystal | 
| B. | magnetic dipoles in the crystal | 
| C. | electrical polarization in the crystal | 
| D. | shift in Fermi level | 
| Answer» C. electrical polarization in the crystal | |