[Solved] Acoustic sensor principal sensing component is made up of which polymer?

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Q.	Acoustic sensor principal sensing component is made up of which polymer?
A.	PEO(Poly-ethylene oxide)
B.	PET(Poly-ethylene tetraphthalate)
C.	PVDF(Poly-vinylidene fluoride)
D.	PS(Poly-styrene)
Answer» C. PVDF(Poly-vinylidene fluoride)
Explanation: Its principle sensing components is PVDF (poly-vinylidene fluoride), which is a piezo-electric polymer. It produces charges of equal magnitude and opposite polarity on opposite surfaces when a mechanical strain is imposed on the material.

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