Quartz and Rochelle salt belong to
A. natural group of piezoelectric materials.
B. synthetic group of piezoelectric materials.
C. natural or synthetic group of piezoelectric materials provided they are properly polarized.
D. none of the above.
Answer:A
Quartz and Rochelle salt belong to
A. natural group of piezoelectric materials. B. synthetic group of piezoelectric materials. C. natural or synthetic group of piezoelectric materials provided they are properly polarized. D. none of the above.