Which of the following are piezoelectric substances?1. Barium Titanate – McqOptions

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1.	Which of the following are piezoelectric substances?1. Barium Titanate2. Lead Titanate3. Lead Zirconate4. Cadmium Sulphate
A.	1, 2, and 4
B.	1, 3, and 4
C.	1, 2, and 3
D.	2, 3, and 4
Answer» D. 2, 3, and 4

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