Quartz crystal and tourmaline used in oscillators work on the principle of:
A)photo electric effect
B)piezo electric effect
C)raman effect
D)black body radiation

Question

Quizplus · Accepted Answer

Quartz crystal and tourmaline exhibit the piezoelectric effect, where they generate an electric charge in response to applied mechanical stress, making them useful in oscillators for generating precise frequencies.

Quartz Crystal and Tourmaline Used in Oscillators Work on the Principle