Solid State - Result Question 11
####11. The one that is extensively used as a piezoelectric material is
(2019 Main, 9 Jan I)
(a) quartz
(b) tridymite
(c) amorphous silica
(d) mica
$\begin{array}{ll}\text { (c) } A _2 B _2 O & \text { (d) } A _4 B _2 O\end{array}$
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Answer:
Correct Answer: 11. (a)
Solution:
- Piezoelectric materials are those materials that produce an electric current when they are placed under mechanical stress. Crystalline solids can be used as piezoelectric material hence, quartz is a correct answer.
