Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion

5. 

Piezoelectric materials serves as a source of

[A]. microwaves
[B]. ultrasonic waves
[C]. musical waves
[D]. resonant waves

Answer: Option B

Explanation:

No answer description available for this question.

Mohd Zeeshan said: (Mar 19, 2020)  
How it is ultrasonic waves, it's the source of resonant waves.

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